How to Make Chile Relleno Casserole Fast

Chile Relleno Casserole

If you’re craving a comforting, cheesy, and spicy dish that comes together quickly, this Chile Relleno Casserole is your new weeknight hero. Packed with layers of tender roasted peppers, melty cheese, and savory flavors, this casserole reinvents the classic chile relleno into an easy bake-anytime dish. Whether you’re cooking for family or friends, this Chile Relleno Casserole offers the perfect blend of traditional taste and convenience without sacrificing flavor or texture.

Why You’ll Love This Recipe

  • Quick preparation: Ready in under an hour, perfect for busy weeknights without compromising on flavor.
  • Family-friendly flavors: Combines cheese and mild spice to please kids and adults alike.
  • One-dish meal: Easy cleanup with everything baked together in a single pan.
  • Versatile ingredients: Uses pantry staples and fresh produce for an accessible yet delicious dinner.
  • Customizable heat level: Spice can be dialed up or down based on your taste preference.

Ingredients You’ll Need

This Chile Relleno Casserole calls for a handful of simple, essential ingredients that balance cheesy richness, mild spice, and fresh texture. Each element plays a role in building the dish’s vibrant flavors and satisfying mouthfeel.

  • Roasted poblano peppers: The star of the dish, offering smoky flavor and mild heat.
  • Eggs: Provide a fluffy, casserole base that holds all the ingredients together.
  • Milk: Adds creaminess for a tender bake without heaviness.
  • Cheese blend: Typically a mix of Monterey Jack and cheddar for melty, gooey goodness.
  • Diced green chilies: Boosts flavor with a gentle kick and extra texture.
  • Onion and garlic: Enhance savory depth and aroma.
  • Cornmeal or flour: Lightly thickens the mixture and adds structure.
  • Salt and pepper: Season to bring out the natural flavors.

Variations for Chile Relleno Casserole

This recipe is incredibly easy to adapt, letting you customize the chile relleno casserole to suit your dietary needs or what’s in your fridge. Feel free to experiment and make this dish your own.

  • Vegetarian version: Skip meat and boost veggies like zucchini or corn for extra texture.
  • Spicy upgrade: Add jalapeños or chipotle powder for a bolder kick.
  • Meat lover’s option: Stir in cooked chorizo, ground beef, or shredded chicken before baking.
  • Cheese swaps: Use pepper jack, queso fresco, or a dairy-free cheese alternative for different flavor profiles.
  • Low-carb alternative: Replace cornmeal with almond flour and skip milk for a keto-friendly version.
How to Make Chile Relleno Casserole Fast

How to Make Chile Relleno Casserole

Step 1: Prepare the peppers

Start by roasting the poblano peppers directly over a gas flame or under the broiler until the skins are charred and blistered. Once cooled, peel off the skins, remove seeds, and chop them into bite-sized pieces.

Step 2: Sauté aromatics

In a skillet, warm a bit of oil and sauté finely chopped onion and minced garlic until translucent and fragrant. This step builds a flavorful base for the casserole.

Step 3: Mix the custard base

In a large bowl, whisk together eggs, milk, salt, pepper, and a small amount of cornmeal or flour. This mixture will hold your casserole together with a light, fluffy texture.

Step 4: Combine all ingredients

Gently fold the roasted peppers, sautéed onions and garlic, diced green chilies, and about three-quarters of your cheese blend into the egg mixture.

Step 5: Bake the casserole

Pour the mixture into a greased baking dish, sprinkle the remaining cheese over the top, and bake at 350°F (175°C) for 35 to 40 minutes, or until the casserole is set and golden on top.

Pro Tips for Making Chile Relleno Casserole

  • Roast peppers thoroughly: Ensure skins are blistered to easily remove them and avoid bitter bits.
  • Use a good cheese blend: Mixing a mild and sharp cheese creates perfect melty layers.
  • Don’t overfill the dish: Leave space so the casserole cooks evenly without overflowing.
  • Rest before serving: Letting it sit 10 minutes after baking helps it set and slice cleanly.
  • Test doneness with a toothpick: The casserole is done when a toothpick inserted comes out mostly clean.

How to Serve Chile Relleno Casserole

Garnishes

Top with fresh cilantro, diced tomatoes, or a dollop of sour cream to add brightness and cool contrast to the warm casserole.

Side Dishes

Pair with simple sides like Spanish rice, refried beans, or a crisp green salad for a balanced and satisfying meal.

Creative Ways to Present

Serve in individual ramekins for a party or layering thin slices with tortilla chips to make a chile relleno-inspired lasagna twist.

Make Ahead and Storage

Storing Leftovers

Keep leftover Chile Relleno Casserole covered tightly in the fridge for up to 4 days to maintain freshness and flavor.

Freezing

This casserole freezes well; portion into airtight containers and freeze for up to 3 months. Thaw overnight in the fridge before reheating.

Reheating

Reheat leftovers in the oven at 350°F (175°C) until warmed through to preserve texture better than microwaving.

FAQs

Can I make this casserole dairy-free?

Absolutely! Substitute regular cheese with plant-based cheese alternatives and use almond or oat milk instead of cow’s milk for a dairy-free version.

What type of peppers work best?

Poblano peppers are traditional for their mild heat and smokiness, but you can also try anaheim or pasilla peppers for different spice levels.

Is this recipe gluten-free?

You can make it gluten-free by swapping cornmeal with a gluten-free flour blend and ensuring any canned ingredients have no gluten additives.

Can I add protein to the casserole?

Yes! Adding cooked chorizo, shredded chicken, or ground beef can turn this dish into a hearty main course easily.

How spicy is Chile Relleno Casserole?

The dish is generally mild but flavorful thanks to the roasted peppers and green chilies; you can always increase spice by adding hotter peppers or cayenne powder.

Final Thoughts

This Chile Relleno Casserole delivers bold, comforting flavors with an easy cooking process that fits your busy schedule. Its dreamy cheese pulls, smoky peppers, and tender egg custard make it a perfect weeknight dinner to share and enjoy. Give this recipe a try, and watch it quickly become a favorite in your culinary rotation!

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Chile Relleno Casserole

Chile Relleno Casserole is a comforting, cheesy, and mildly spicy baked dish featuring layers of tender roasted poblano peppers, a melty cheese blend, sautéed aromatics, and a fluffy egg custard base. Ready in under an hour, it serves as a convenient one-dish meal perfect for busy weeknights, combining traditional flavors with easy preparation and customizable spice levels.

  • Author: Lina
  • Prep Time: 20 minutes
  • Cook Time: 40 minutes
  • Total Time: 1 hour
  • Yield: 6 servings 1x
  • Category: Main Course
  • Method: Baking
  • Cuisine: Mexican-inspired
  • Diet: Gluten Free

Ingredients

Scale

Main Ingredients

  • 4 roasted poblano peppers, peeled, seeded, and chopped
  • 4 large eggs
  • 1 cup milk
  • 1 cup cheese blend (Monterey Jack and cheddar), shredded and divided
  • 1 can (4 oz) diced green chilies
  • 1 small onion, finely chopped
  • 2 cloves garlic, minced
  • 2 tablespoons cornmeal or flour
  • 1 teaspoon salt
  • ½ teaspoon black pepper
  • 1 tablespoon cooking oil (for sautéing)

Instructions

  1. Prepare the peppers: Roast the poblano peppers over a gas flame or under the broiler until the skins are charred and blistered. Let them cool, then peel off the skins, remove the seeds, and chop into bite-sized pieces.
  2. Sauté aromatics: Heat oil in a skillet over medium heat. Add finely chopped onion and minced garlic and cook until translucent and fragrant, about 3-5 minutes. Remove from heat and set aside.
  3. Mix the custard base: In a large bowl, whisk together the eggs, milk, salt, pepper, and cornmeal or flour until smooth and well combined. This mixture will create a light, fluffy texture to hold the casserole together.
  4. Combine all ingredients: Gently fold the roasted peppers, sautéed onions and garlic, diced green chilies, and three-quarters of the cheese blend into the egg mixture, distributing everything evenly.
  5. Bake the casserole: Preheat the oven to 350°F (175°C). Grease a baking dish and pour in the mixture. Sprinkle the remaining cheese on top. Bake for 35 to 40 minutes, or until the casserole is set and golden brown on top. Test doneness with a toothpick which should come out mostly clean.

Notes

  • Roast peppers thoroughly to easily remove skins and avoid bitterness.
  • Use a mix of mild and sharp cheeses for the best melty texture.
  • Do not overfill the baking dish to prevent overflow and ensure even cooking.
  • Let the casserole rest 10 minutes after baking to help it set and enable clean slicing.
  • Test for doneness by inserting a toothpick; it should come out mostly clean.

Nutrition

  • Serving Size: 1 slice (1/6 of casserole)
  • Calories: 280
  • Sugar: 3g
  • Sodium: 420mg
  • Fat: 18g
  • Saturated Fat: 9g
  • Unsaturated Fat: 7g
  • Trans Fat: 0g
  • Carbohydrates: 12g
  • Fiber: 3g
  • Protein: 14g
  • Cholesterol: 210mg

Keywords: Chile Relleno Casserole, cheesy casserole, roasted poblano, easy weeknight dinner, Mexican casserole, baked casserole, gluten-free casserole

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