A comforting twist on a classic Mexican favorite, Chili Relleno Casserole layers roasted peppers, melted cheese, and a light fluffy batter to create a flavorful meal the whole family will love.

What Makes This Chili Relleno Casserole Special?

If you love the bold, cheesy flavor of classic chili relleno but prefer fewer steps, this casserole gives you all the taste with less fuss. Roasted green chiles, plenty of melty cheese, and a light, fluffy egg batter come together in one dish that bakes perfectly in the oven.

It’s an ideal weeknight dinner that still feels special on the table. Serve it with a crisp salad, rice, or beans for a satisfying meal the whole family will enjoy.

Ingredients Needed

• 6 fresh roasted poblano peppers, or 1 (12 oz.) can whole green chiles
• 6 oz Monterey Jack cheese, cut into 1/2″ slices (or Pepper Jack for more heat)
• 4 large eggs, beaten
• 1/3 cup whole milk
• 1/2 cup all-purpose flour
• 1/2 tsp baking powder
• 1/2 tsp salt
• 1 cup shredded cheese (cheddar or a blend)

Step-by-Step Instructions

The recipe starts with roasting the peppers. Fresh poblanos work great, but Anaheims or Ortega peppers are good alternatives. If you prefer a shortcut, drained canned green chiles are an easy option.

Step 1 — Preparing The Roasted Peppers

Roast fresh poblanos until the skins blister and char. Use a gas burner, broiler, or hot grill—I often broil them on a cookie sheet, turning occasionally so they char evenly.

Place hot peppers in a bowl, cover with plastic wrap or a lid, and let them steam for 10–15 minutes. This loosens the skin for easy peeling. Once cool enough to handle, peel, open, and remove seeds and membranes. Tearage is fine—this casserole is rustic and forgiving.

Tip: Wear gloves if you’re sensitive to pepper oils to avoid irritation.

Cut the peppers into strips or leave them whole depending on how you want the finished texture to be. Canned chiles are an acceptable time-saver when fresh peppers aren’t available.

Step 2 — Choosing And Preparing the cheese filling

Preheat the oven to 350°F. Grease a 10×6×2-inch baking dish.

Stuff each pepper with the 1/2″ slices of Monterey Jack (or Pepper Jack). Monterey Jack melts smoothly and complements the peppers without overpowering them; Pepper Jack adds more spice for those who like heat.

Step 3 — Creating the Egg Batter

In a medium bowl, whisk together beaten eggs and milk until combined. Add flour, baking powder, and salt, and mix until mostly smooth—small lumps are okay. The batter should be pourable but not thin.

Step 4 — Assembling the Casserole Layers

Arrange the stuffed peppers in the prepared baking dish so they fill the pan as evenly as possible.

Pour the egg batter slowly over the peppers to coat them, then sprinkle the shredded cheese evenly across the top.

Step 5 — Baking Instructions And Tips

Bake on the center rack in the preheated 350°F oven for about 30 minutes, until the top is golden and the center is set. Test doneness by inserting a sharp knife into the center of the batter—if it comes out clean, the casserole is done.

Let the casserole rest 5–10 minutes before cutting into squares. This short rest helps the layers settle and makes serving easier.

Serving Suggestions

Keep sides simple to balance the richness: Mexican-style rice, cilantro-lime rice, or a fresh green salad with cilantro-lime dressing pair well. Refried or black beans make the meal heartier. Warm tortillas are great for scooping up the casserole, and toppings like sour cream, guacamole, fresh salsa, or chopped cilantro add brightness.

Variations And Substitutions

This casserole is versatile. Add shredded beef, browned ground beef, or shredded rotisserie chicken for more protein. For extra heat, include diced jalapeños. Use egg whites or an egg substitute and reduced-fat cheese to lighten the dish.

When fresh poblanos aren’t available, canned whole green chiles work well. You can also layer in sautéed onions, bell peppers, or a handful of corn for added color and sweetness.

Storing And Reheating Leftovers

Store cooled leftovers in an airtight container in the refrigerator for 3–4 days. Reheat single portions in the microwave in short intervals until hot, or reheat larger portions in a 325°F oven covered with foil until warmed through. A sprinkle of fresh cheese before reheating or a dollop of salsa or sour cream when serving can refresh the casserole.

Recipe Wrap-Up for Chili Relleno Casserole

This Chili Relleno Casserole captures everything we love about the classic—tender green chiles, melty cheese, and a fluffy topping—while simplifying preparation. It fills the kitchen with tempting aromas and is perfect for weeknights or relaxed gatherings.

Enjoy generous servings topped with your favorite condiments. This recipe is comforting, flavorful, and easy to make again and again.

Other Favorite Mexican Dishes

• Instant Pot Pork Chili Verde
• Easy Ground Beef Enchiladas
• Loaded Nachos
• Mexican Bean Salad

Thank you for stopping by. I hope this recipe becomes a favorite at your table. Happy cooking!

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