Poblano Casserole (Easy Baked Chile Relleno Casserole)

If you love chile rellenos but don’t love the time and effort it takes to fry them, this Poblano Casserole is the perfect solution. This easy baked chile relleno casserole has all the delicious flavors of traditional chile rellenos — roasted poblano peppers, melty cheese, and a fluffy egg mixture — but in a simple, layered casserole form.

This dish is comforting, flavorful, and perfect for breakfast, brunch, or even dinner. The roasted poblano peppers add a mild smoky flavor, while the cheese and egg mixture create a rich and satisfying texture. Best of all, this poblano casserole is easy to prepare and can be made ahead of time.

Whether you’re feeding your family, meal prepping, or hosting brunch, this easy chile relleno casserole recipe is always a hit.

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What Is a Chile Relleno Casserole?

Traditional chile rellenos are poblano peppers stuffed with cheese, dipped in egg batter, and fried. This casserole version turns that classic dish into an easy baked recipe by layering roasted poblano peppers with cheese and a savory egg mixture, then baking everything together until golden and set.

The result is a fluffy, cheesy, slightly smoky casserole that tastes just like chile rellenos but requires much less work.

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Why You’ll Love This Poblano Casserole

• Much easier than traditional chile rellenos
• Cheesy, comforting, and flavorful
• Perfect for breakfast, brunch, or dinner
• Great for meal prep
• Low carb and high protein
• Feeds a crowd
• Make-ahead friendly
• Freezer-friendly
• Naturally gluten-free option

This is one of those recipes that everyone asks for after trying it once.

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Ingredients

• 6–8 poblano peppers
• 2 cups shredded cheese (cheddar, Monterey Jack, or Mexican blend)
• 4 large eggs
• 1 cup milk
• 1/4 cup all-purpose flour
• 1 teaspoon baking powder
• 1/2 teaspoon salt
• 1/2 teaspoon garlic powder
• 1/2 teaspoon onion powder

Optional toppings:

• Sour cream
• Salsa
• Chopped cilantro
• Sliced avocado

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Instructions

1. Preheat oven to 375°F (190°C).
2. Roast poblano peppers until skins are blistered, then peel and remove seeds.
3. Grease a baking dish.
4. Layer half of the roasted poblano peppers on the bottom of the dish.
5. Sprinkle half of the cheese over the peppers.
6. Add remaining peppers, then top with remaining cheese.
7. In a bowl, whisk eggs, milk, flour, baking powder, salt, garlic powder, and onion powder.
8. Pour egg mixture evenly over the casserole.
9. Bake for 30–35 minutes until set and golden on top.
10. Let cool for 10 minutes before slicing and serving.

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Tips for the Best Chile Relleno Casserole

1. Roast peppers well
Blistered skins make peeling easier and add smoky flavor.

2. Use good melting cheese
Monterey Jack melts beautifully in this recipe.

3. Let it rest before slicing
This helps the casserole set properly.

4. Add protein
You can add cooked ground beef or shredded chicken.

5. Make it spicy
Add jalapeños or pepper jack cheese.

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Variations

• Chicken Chile Relleno Casserole – Add shredded chicken
• Beef Poblano Casserole – Add cooked ground beef
• Vegetarian Version – Add corn and black beans
• Spicy Version – Add jalapeños and pepper jack cheese
• Low-Carb Version – Replace flour with almond flour

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What to Serve With Poblano Casserole

This casserole pairs well with:

• Mexican rice
• Refried beans
• Avocado salad
• Tortillas
• Fresh salsa
• Roasted vegetables

It’s a very versatile dish that works for many meals.

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Storage & Meal Prep Tips

• Store in the refrigerator for up to 4 days
• Reheat in the microwave or oven
• Freeze for up to 2 months
• Great for meal prep breakfasts

You can even assemble the casserole the night before and bake it the next day.

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Final Thoughts

This Poblano Casserole (Easy Baked Chile Relleno Casserole) is the perfect comfort food recipe when you want something warm, cheesy, and satisfying without spending hours in the kitchen. It has all the flavors of traditional chile rellenos but in a much easier, family-friendly casserole form.

It’s perfect for breakfast, brunch, or dinner, and it’s a great make-ahead meal. Once you try this easy chile relleno casserole, it will quickly become one of your favorite go-to recipes.