Cheesy Chile Relleno Bake

Easy Baked Chile Relleno Casserole: A Flavorful & Fuss-Free Mexican Dinner

Chile Relleno Casserole – transform the beloved classic chile relleno into a simple, oven-baked dish you can prepare at home with minimal effort! This delightful casserole features tender poblano peppers layered with rich cheese and a savory egg custard, baked to golden perfection. It’s incredibly simple to make, delivering all the authentic flavors you adore without the hassle of deep-frying.

Do you often find yourself craving the cheesy, peppery goodness of traditional chile relleno but hesitate to make it at home due to the extensive prep work, messy deep-frying, or complicated breading? If so, you’re not alone! Many home cooks are intimidated by the classic method, which involves stuffing individual peppers, breading them, and then carefully frying them. But what if there was a way to capture all those incredible flavors and textures in an easy, weeknight-friendly format? This simple “cheating” method for a Chile Relleno Casserole is your perfect solution, offering a delicious homemade meal with absolutely no deep-frying, no breading, and no complicated steps!

chili relleno casserole slice on a white plate with a fork

While I personally prefer the robust flavor that comes from roasting fresh poblano chilies for this recipe, you can simplify the process even further by opting for canned whole green chilies. This clever shortcut means you can have a comforting and incredibly flavorful Mexican-inspired dinner on your table in record time, making it ideal for busy evenings when you still want a homemade touch.

What Is Chile Relleno? Understanding the Classic Dish

At its heart, Chile Relleno is a quintessential Mexican dish, whose name directly translates to “stuffed chili.” Originating in Puebla, Mexico, this culinary classic typically features a large green chili, most commonly a poblano pepper, that is generously filled. While the most popular stuffing is cheese – often a melty, mild white cheese like Oaxaca or Monterey Jack – variations can also include savory fillings such as seasoned ground beef, shredded chicken, or hearty beans, sometimes even a combination of these ingredients.

Traditionally, after being stuffed, the chili is often dipped in an eggy batter (known as “capeado”) and then deep-fried until golden and crispy. This process creates a delightful contrast between the soft, flavorful pepper, the molten interior, and the airy, crisp exterior. It’s a dish celebrated for its rich flavors and comforting textures, a true staple in Mexican cuisine. However, replicating this at home can be time-consuming and messy, often deterring even enthusiastic cooks. Our casserole version beautifully captures the essence of this beloved dish, making it accessible and enjoyable for everyone.

Why a Casserole Version? The No-Fry, Easy Solution

The beauty of transforming classic chile relleno into a casserole lies in its sheer simplicity and convenience without compromising on taste. This baked rendition eliminates the need for individual stuffing, delicate breading, and, most importantly, the messy, oil-splattering process of deep-frying. Instead, we layer roasted poblano peppers with generous amounts of shredded Monterey Jack cheese and then pour over a light, fluffy egg custard that bakes up beautifully, holding everything together in a comforting, sliceable dish.

This casserole is a fantastic choice for those seeking to incorporate more meatless dinners into their routine. The combination of earthy poblano peppers, rich melting cheese, and the savory egg base is incredibly satisfying. You’ll find yourself so immersed in the creamy, cheesy flavors that you won’t even miss the meat. However, if you’re looking to boost the protein content, this recipe is wonderfully versatile. You can easily add a layer of flavorful Salsa Chicken, seasoned Taco Meat, or even spicy chorizo for an extra kick. This adaptability makes it perfect for any preference or occasion.

taking a slice of chili relleno casserole out of baking dish

Key Ingredients for Your Delicious Chile Relleno Casserole

For the exact measurements and full recipe details, please be sure to scroll to the bottom of the post for the COMPLETE PRINTABLE recipe card.

Crafting this incredible casserole requires a blend of fresh ingredients and pantry staples. Each component plays a vital role in achieving that authentic, comforting chile relleno flavor:

  • Poblano Peppers: These are the star of the show. Poblano peppers are known for their mild, earthy flavor rather than heat, making them perfect for this dish. They are distinctly different from bell peppers, offering a depth of flavor that bell peppers simply can’t replicate. While fresh poblanos are highly recommended for the best taste and texture (especially when roasted), you can use canned whole green chilies as a convenient shortcut. Just ensure they are whole, not diced, for the right texture and layering in the casserole.
  • Monterey Jack Cheese: This cheese is a fantastic choice for its excellent melting properties and mild, creamy flavor that complements the poblanos beautifully. It creates those irresistible gooey layers within the casserole. Feel free to use a blend of Mexican cheeses or even add a touch of sharp cheddar for extra tang.
  • Eggs: Beaten eggs form the luscious custard base that binds the casserole together, giving it that classic relleno-like texture. They puff up during baking, creating a light yet satisfying consistency.
  • Milk: Used to thin out the egg mixture, ensuring a smooth, pourable consistency that evenly coats the peppers and cheese. You can use any milk variety you prefer, from skim to whole milk.
  • All-Purpose Flour: A small amount of flour is added to the egg mixture. This acts as a stabilizer and helps the custard achieve a slightly firmer, more cohesive texture as it bakes, preventing it from being too watery.
  • Baking Powder: This leavening agent contributes to the light and airy texture of the egg custard, helping it puff up beautifully in the oven, mimicking the fluffy batter of traditional fried chile rellenos.
  • Spices (Paprika, Chili Powder, Garlic Powder, Salt & Pepper): These seasonings enhance the overall flavor profile of the casserole. Paprika adds a sweet, peppery note and a lovely color, while chili powder deepens the Mexican-inspired taste without adding excessive heat. Garlic powder and freshly ground salt and pepper round out the savory balance.

As mentioned, for those who wish to enhance the protein content, feel free to get creative! A layer of pre-cooked Salsa Chicken, savory Taco Meat, or even crumbled and browned chorizo can be added between the layers of peppers and cheese for a heartier meal. This flexibility allows you to customize the casserole to your family’s preferences.

roasted poblano peppers in a bowl

Poblano Peppers: The Mild & Flavorful Foundation

Understanding poblano peppers is key to appreciating this dish. Poblanos are undeniably the foundation of any authentic chile relleno, whether classic or casserole-style. They are distinctly **not spicy**; rather, they are categorized as a mild chili pepper, offering a rich, earthy, and slightly smoky flavor without the overpowering heat found in hotter chilies. This makes them perfectly suitable for a family-friendly dish, ensuring everyone can enjoy the deep, green chili essence without discomfort.

While the convenience of canned chilies is tempting, and certainly an acceptable shortcut, the true depth of flavor in this casserole shines when you take the time to roast your own fresh poblano peppers. Roasting them brings out their natural sweetness, adds a beautiful smoky char, and softens their texture, making them incredibly tender and flavorful. If you do opt for canned, remember to choose **WHOLE green chilies**, not diced. Diced chilies will break down too much during baking and won’t provide the substantial layers needed for a proper chile relleno casserole. In a pinch, you could technically use bell peppers, but be aware that this will significantly alter the flavor profile, moving it away from the traditional Mexican taste we’re aiming for.

Step-by-Step Guide: How To Make Chile Relleno Casserole

Creating this delicious casserole is a straightforward process, broken down into a few simple steps. Follow these instructions for a perfect, comforting meal:

  1. Roast Your Peppers: Begin by preparing your poblano peppers. Preheat your oven to 425º F (220º C). Drizzle the fresh poblano peppers with a tablespoon of olive oil, then season them generously with salt and black pepper. Arrange them on a baking sheet and roast for approximately 25 minutes. You’ll know they’re ready when their skins begin to char and blister, indicating they’re tender and bursting with smoky flavor.
  2. Steam and Peel Peppers: Once roasted, carefully remove the peppers from the oven and immediately transfer them to a large bowl. Cover the bowl tightly with plastic wrap or a clean kitchen towel. Allow them to steam for about 15 minutes. This steaming process helps loosen the skins, making them incredibly easy to peel. Once cool enough to handle, remove the stems, slice them open, carefully remove the seeds (wear gloves if you’re sensitive, though poblanos are mild), and peel off the charred skin.
  3. Prepare Baking Dish and Assemble First Layers: While the peppers are steaming, preheat your oven to 350º F (175º C). Lightly grease a 9-inch baking dish with non-stick spray. Arrange half of your roasted and peeled poblano peppers in a single, even layer at the bottom of the dish. Evenly sprinkle half of the shredded Monterey Jack cheese over the peppers.
  4. Complete Casserole Layers: Repeat the layering process. Place the remaining roasted peppers over the first cheese layer, followed by the remaining half of the shredded cheese. If you’re adding any optional protein like cooked salsa chicken or taco meat, this is where you would spread it in a layer between the peppers and cheese.
  5. Make the Egg Custard Mixture: In a separate medium-sized bowl, whisk together the eggs, milk, all-purpose flour, baking powder, paprika, chili powder, garlic powder, salt, and black pepper until the mixture is smooth and well combined. This is your savory custard that will envelop all the delicious layers.
  6. Pour and Bake: Carefully pour the egg mixture evenly over the entire casserole, ensuring it seeps down between the layers of peppers and cheese. Transfer the baking dish to the preheated 350º F (175º C) oven. Bake for approximately 30 minutes, or until the egg custard is beautifully puffed up, the edges are golden brown, and the center is completely set (a knife inserted into the center should come out clean).
  7. Rest and Serve: Once baked, remove the casserole from the oven. Allow it to rest for at least 5 minutes before slicing and serving. This resting time helps the casserole set further, making for cleaner slices and preventing it from falling apart.
chili relleno casserole in baking dish garnished with cilantro

Make-Ahead Tips for Easier Meal Prep

This Chile Relleno Casserole is a fantastic dish for meal prepping, allowing you to enjoy a homemade meal even on your busiest days. Its components can be prepared in advance, significantly cutting down on last-minute cooking time:

  • Roast Peppers in Advance: You can roast, peel, and deseed the poblano peppers up to 2-3 days ahead of time. Store them in an airtight container in the refrigerator until you’re ready to assemble the casserole. This step is often the most time-consuming, so having it done beforehand makes assembly a breeze.
  • Assemble Entire Casserole Ahead: For ultimate convenience, you can assemble the entire casserole – layering the peppers and cheese, and pouring over the egg mixture – up to 24 hours before baking. Simply cover the baking dish tightly with plastic wrap and refrigerate. When you’re ready to bake, remove it from the fridge 30 minutes prior to baking to allow it to come closer to room temperature. You may need to add an extra 5-10 minutes to the baking time if baking from cold, just ensure the center is fully set and puffed.

Storage and Reheating Your Leftovers

Don’t worry about having leftovers; this casserole tastes just as delicious the next day! Proper storage ensures you can enjoy it for several days or even freeze it for future meals.

  • Refrigeration: Any leftover casserole slices can be stored in an airtight container or simply covered tightly with plastic wrap directly in the baking dish. It will keep well in the refrigerator for up to 4 days.
  • Freezing: Eggs freeze remarkably well, making this casserole an excellent candidate for freezer-friendly meals. Allow the casserole to cool completely, then cover it tightly with aluminum foil and plastic wrap (or transfer individual slices to freezer-safe containers). Freeze for up to 3 months.
  • Reheating: To reheat refrigerated leftovers, you can warm individual slices in the microwave until heated through, or cover the casserole dish with foil and bake in a 300º F (150º C) oven until warm, about 15-20 minutes. If reheating from frozen, thaw the casserole in the refrigerator overnight before baking, or reheat directly from frozen at a lower temperature (around 325º F / 160º C) for a longer period (45-60 minutes, covered, until heated through), uncovering for the last 10-15 minutes if you desire some crispness on top.
looking down on a white plate with a slice of chili relleno casserole and fork

Perfect Pairings: What To Serve With Chile Relleno Casserole

This versatile Chile Relleno Casserole is a fantastic option for both dinner and brunch, and its mild yet rich flavors pair wonderfully with a variety of sides and toppings. Here are some suggestions to create a complete and satisfying meal:

  • Classic Mexican Toppings:
    • Salsa: A dollop of fresh Restaurant Style Salsa or a vibrant pico de gallo adds a refreshing and tangy contrast to the creamy casserole.
    • Guacamole: Rich and creamy Homemade Guacamole provides a luxurious topping that complements the mild chilies and cheese.
    • Sour Cream or Mexican Crema: A spoonful of cool sour cream or a drizzle of Mexican crema can balance the flavors and add an extra layer of creaminess.
    • Fresh Cilantro: A sprinkle of chopped fresh cilantro always brightens up Mexican dishes with its herbaceous notes.
    • Sliced Avocados: Fresh avocado slices offer a buttery texture and healthy fats, enhancing the richness of the meal.
  • For a Hearty Dinner:
    • Rice: Serve alongside fluffy Spanish Rice or simple white rice to make it a more substantial dinner.
    • Beans: Creamy Refried Beans or black beans are a classic pairing that adds fiber and protein.
    • Salad: A light green salad with a zesty lime vinaigrette can cut through the richness and provide a fresh element.
  • For a Delicious Brunch Spread:
    • Fruit: Pair with a refreshing Mixed Berry Smoothie or colorful Fruit Skewers for a light and sweet contrast.
    • Crispy Bacon: Salty, savory Air Fryer Bacon or breakfast sausage makes this casserole a truly indulgent brunch centerpiece.
    • Breakfast Potatoes: A side of crispy breakfast potatoes or hash browns would complete a satisfying brunch plate.

More Delicious Mexican-Inspired Recipes to Explore

If you loved this easy Chile Relleno Casserole, you’re in for a treat! Mexican cuisine offers an incredible array of flavors and textures, perfect for any meal. Here are some more of our favorite recipes that are sure to become staples in your kitchen:

  • Green Chili Pork
  • Breakfast Tacos
  • Crunchwrap Supreme
  • Baja Shrimp Tacos
  • Easy Ground Beef Enchiladas
  • Mexican Pizza
cropped close up of chili relleno casserole on a plate with a fork
4.46 from 387 votes

Chile Relleno Casserole

By Erin Sellin
Chile Relleno Casserole – turn classic chile relleno into a dish you can make at home in no time! Poblano peppers layered with cheese and eggs that is baked to perfection! Super simple with all the flavors you know and love.
Prep: 15 minutes
Cook: 55 minutes
Total: 1 hour
Servings: 4
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Ingredients 

  • 4-6 poblano peppers
  • 1 Tablespoon olive oil
  • Salt & Pepper
  • 2 cups shredded Monterey Jack cheese

Egg Mixture

  • 4 whole large eggs
  • 1/2 cup skim milk
  • 1/3 cup all-purpose flour
  • 1/2 teaspoon baking powder
  • 1/2 teaspoon paprika
  • 1/2 teaspoon chili powder
  • 1/2 teaspoon garlic powder
  • 1/2 teaspoon salt
  • 1/4 teaspoon black pepper

Instructions 

  • Preheat oven to 425º F.
  • Drizzle olive oil over poblano peppers and sprinkle with salt and pepper. Bake for about 25 minutes until the peppers start to char and blister.
    4-6 poblano peppers, 1 Tablespoon olive oil, Salt & Pepper
  • Remove from the oven and put them in a large bowl covered with plastic wrap for about 15 minutes. Once they are cool enough to handle, cut off the stem, remove the seeds and peel off the skin.
    roasted poblano peppers in a bowl
  • Preheat oven to 350º F.
  • Spray a 9-inch baking dish with non-stick spray. Arrange a single layer roasted peppers in the bottom of a baking dish. Top with half of the cheese, and then repeat with the rest of the peppers and cheese.
    2 cups shredded Monterey Jack cheese
    layer of peppers in baking dish
  • In a bowl whisk together everything for the egg mixture. Pour evenly over the top of the casserole.
    4 whole large eggs, 1/2 cup skim milk, 1/3 cup all-purpose flour, 1/2 teaspoon baking powder, 1/2 teaspoon paprika, 1/2 teaspoon chili powder, 1/2 teaspoon garlic powder, 1/2 teaspoon salt, 1/4 teaspoon black pepper
    pouring egg mixture over the casserole
  • Bake for about 30 minutes until the eggs are puffed up, the edges are golden and the center is completely set.
  • Remove from oven and let set for 5 minutes before slicing to serve.

Notes

For a Shortcut – Replace the peppers with 3 cans of Roasted WHOLE Green Chilies.
The number of peppers you need depends on the size. You want enough to make 2 single layers in your baking dish.
You can easily double this recipe to feed a crowd, use a 13×9 inch baking dish and double all of the measurements. Baking time will be about the same/

Nutrition

Calories: 383kcal | Carbohydrates: 15g | Protein: 23g | Fat: 26g | Saturated Fat: 13g | Polyunsaturated Fat: 11g | Cholesterol: 237mg | Sodium: 835mg | Fiber: 2g | Sugar: 4g

Nutrition information is automatically calculated, so should only be used as an approximation.

Additional Info

Author: Erin Sellin
Prep Time: 15 minutes
Cook Time: 55 minutes
Total Time: 1 hour
Course: Dinner Recipes
Cuisine: American
Servings: 4
Calories: 383
Like this recipe? Leave a comment below!

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We hope you enjoy making this easy and incredibly satisfying Chile Relleno Casserole. It’s truly a game-changer for bringing authentic Mexican flavors to your weeknight table!