
Transform the classic chile relleno into an easy-to-prepare casserole without any deep frying. This layered dish combines roasted poblano peppers, seasoned ground beef, and melted cheese topped with a light egg custard. Perfect for family gatherings or casual entertaining.
The authentic taste comes from properly roasting the poblano peppers - a technique learned from generations of Mexican home cooks. This version streamlines the process while maintaining the dish's essential flavors.
Key Components
- Poblano Chiles: Choose medium-sized for ideal layering
- Ground Beef: Select 80/20 for optimal flavor
- Queso Fresco: Traditional crumbling cheese
- Monterey Jack: Freshly shredded preferred
- Large Eggs: Room temperature for best results
- Yellow Onion: Medium dice
- Fresh Garlic: Freshly minced
Preparation Method
- 1. Roast Poblanos:
- Position rack 6 inches below broiler. Arrange poblanos on sheet pan. Broil 20-25 minutes, rotating every 5 minutes until skin blisters and blackens. Transfer to covered bowl for 15 minutes to steam. Remove skin, stems, and seeds while keeping peppers intact.
- 2. Prepare Filling:
- Brown ground beef over medium-high heat. Add onion and garlic halfway through cooking. Season with chili powder, cumin, and salt to taste. Cook until meat is done and onions are translucent. Drain excess fat.
- 3. Assemble Layers:
- Grease 9x13 baking dish. Layer half the poblanos, followed by half the meat mixture, then half of each cheese. Repeat layers.
- 4. Prepare Custard:
- Whisk eggs, flour, milk, and salt until smooth. Pour evenly over layered ingredients, ensuring liquid penetrates throughout.
- 5. Bake:
- Cook at 375°F for 35-40 minutes until eggs set and cheese browns. Verify doneness with knife test. Rest 10-15 minutes before serving.

Storage Guidelines
Allow casserole to rest 15 minutes before portioning. Cool completely before refrigerating in airtight container for up to 4 days. Reheat portions in 350°F oven for 10-15 minutes. Avoid microwave reheating to maintain texture.
Accompaniments
Complement with traditional Mexican sides like warm tortillas, Spanish rice, and refried beans. Add freshness with pico de gallo or salsa verde. Serve with sliced avocado or guacamole. Offer sour cream, extra queso fresco, and fresh cilantro as optional toppings.

Temperature Management
Monitor baking progress carefully. Cover with foil if top browns too quickly. Using room temperature eggs creates a fluffier custard - remove from refrigeration 30 minutes before preparation.

This casserole successfully merges traditional flavors with modern convenience. Suitable for casual dining or special occasions, it delivers consistent results. Proper preparation and resting time are key to the finished dish.
Frequently Asked Questions
- → Can this dish be prepped in advance?
- Absolutely! You can assemble everything except the egg layer ahead of time. Keep it chilled, then add the egg mixture and bake when ready to cook.
- → How hot is it?
- There's a mild-to-medium kick from poblanos and Pepper Jack cheese, but you can use milder cheese or peppers to adjust the spice.
- → Are canned chiles an option?
- Yes, while fresh poblano peppers give the best flavor, large canned green chiles are a handy substitute.
- → Any tips for keeping leftovers fresh?
- Store them in the fridge, covered, for up to 3 days. Reheat in an oven to maintain the best texture.
- → What sides pair well with this casserole?
- Try it with a fresh green salad, some buttery rice, refried beans, or even a side of homemade salsa.