Chile Relleno Casserole Recipe
Introduction
Chile Relleno Casserole is a comforting and cheesy baked dish that brings the flavors of the classic Mexican chile relleno into an easy, sliceable form. Perfect for family dinners, this casserole combines ground beef, green chilies, and a blend of cheeses in a savory egg custard base.

Ingredients
- 1 pound ground beef
- 1/2 cup onion, chopped
- 2 cloves garlic, minced
- 2 (4-ounce) cans of whole green chilies, drained
- 3 cups shredded Monterey Jack cheese
- 3 cups shredded Cheddar cheese
- 4 large eggs
- 1 1/3 cups milk
- 1/4 cup all-purpose flour
- 1/2 teaspoon baking powder
- 1/2 teaspoon salt
- Salsa or hot sauce, optional for serving
Instructions
- Step 1: Preheat your oven to 350°F (175°C).
- Step 2: In a large skillet, brown the ground beef over medium heat. Add the chopped onion and minced garlic, cooking until the onion is translucent and the beef is fully cooked. Drain any excess fat.
- Step 3: In a greased 9×13-inch baking dish, lay the whole green chilies flat at the bottom. Slice them open or tear into strips if needed to cover the dish evenly.
- Step 4: Spread the cooked ground beef mixture evenly over the layer of chilies.
- Step 5: Sprinkle half of the Monterey Jack and Cheddar cheese over the beef layer.
- Step 6: Place another layer of whole green chilies on top of the cheese.
- Step 7: In a large bowl, whisk together the eggs, milk, flour, baking powder, and salt until smooth.
- Step 8: Pour the egg mixture evenly over the layers in the baking dish.
- Step 9: Top with the remaining Monterey Jack and Cheddar cheese.
- Step 10: Bake for 30 to 35 minutes, or until the top is golden brown and the casserole is set in the middle.
- Step 11: Remove from the oven and let cool for a few minutes before serving.
- Step 12: Serve with optional salsa or hot sauce if desired.
Tips & Variations
- For a spicier dish, add diced jalapeños or use hot green chilies instead of mild ones.
- Try substituting ground turkey or chicken for a lighter version.
- Mix in some chopped cilantro or green onions for added freshness.
- Use a combination of cheeses based on your preference, like pepper jack for extra heat.
Storage
Store leftover casserole covered in the refrigerator for up to 3 days. Reheat individual portions in the microwave until hot, or warm the entire dish in a 350°F oven until heated through. Avoid freezing, as the egg custard may become watery when thawed.
How to Serve

Serve this delicious recipe with your favorite sides.
FAQs
Can I make this casserole ahead of time?
Yes, you can assemble the casserole a few hours before baking. Keep it covered in the refrigerator and bake just before serving.
What can I use if I don’t have whole green chilies?
Roasted poblanos or diced canned green chilies can work as substitutes, though the texture and flavor will vary slightly from whole green chilies.
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Chile Relleno Casserole Recipe
- Total Time: 55 minutes
- Yield: 6 servings 1x
Description
A savory and comforting Chile Relleno Casserole that layers ground beef, green chilies, and a blend of Monterey Jack and Cheddar cheeses, all baked together with a rich egg custard for a delicious Mexican-inspired meal perfect for family dinners.
Ingredients
Meat and Vegetables
- 1 pound ground beef
- 1/2 cup onion, chopped
- 2 cloves garlic, minced
- 2 (4-ounce) cans of whole green chilies, drained
Cheese
- 3 cups shredded Monterey Jack cheese
- 3 cups shredded Cheddar cheese
Custard Mixture
- 4 large eggs
- 1 1/3 cups milk
- 1/4 cup all-purpose flour
- 1/2 teaspoon baking powder
- 1/2 teaspoon salt
Optional
- Salsa or hot sauce, for serving
Instructions
- Preheat the oven: Set your oven to 350°F (175°C) to warm up while you prepare the casserole layers.
- Cook ground beef mixture: In a large skillet over medium heat, brown the ground beef. Add chopped onion and minced garlic, cooking until the onion becomes translucent and the beef is fully cooked. Drain excess fat thoroughly to avoid greasiness.
- Prepare the base layer: Grease a 9×13-inch baking dish. Lay the whole green chilies flat at the bottom; if closed or bulky, slice or tear them into strips to ensure an even layer covering the dish.
- Add the beef layer: Spread the cooked ground beef mixture evenly over the green chilies.
- Add first cheese layer: Sprinkle half of the shredded Monterey Jack and Cheddar cheese evenly atop the beef layer.
- Add second chilies layer: Place another layer of whole green chilies over the cheese for added flavor and texture.
- Mix custard: In a large bowl, whisk together eggs, milk, all-purpose flour, baking powder, and salt until the mixture is smooth and well combined.
- Pour custard: Evenly pour the egg mixture over all the layers in the baking dish, allowing it to seep through the layers.
- Add final cheese layer: Top the casserole with the remaining Monterey Jack and Cheddar cheese, covering the custard layer.
- Bake the casserole: Place the dish into the preheated oven and bake for 30 to 35 minutes, or until the top is golden brown and the casserole is set and firm in the center.
- Cool before serving: Remove the casserole from the oven and allow it to cool for a few minutes to set further and make serving easier.
- Serve: Cut into portions and serve warm, optionally accompanied by salsa or hot sauce for extra zest.
Notes
- Ensure to drain the ground beef well to prevent a soggy casserole.
- If you prefer less spice, use mild green chilies; for more heat, choose hot green chilies.
- You can substitute the cheese blend with your favorite cheeses if preferred.
- Letting the casserole cool slightly helps it firm up and makes slicing easier.
- This casserole can be prepared a day ahead and reheated before serving.
- Use a non-stick or well-greased baking dish to prevent sticking.
- Prep Time: 20 minutes
- Cook Time: 35 minutes
- Category: Main Course
- Method: Baking
- Cuisine: Mexican
Keywords: Chile Relleno, Casserole, Ground Beef Casserole, Mexican Casserole, Cheesy Casserole, Dinner Recipe, Baked Casserole

