Chile Relleno Casserole Recipe
Are you ready to elevate your weeknight meals? This chile relleno casserole combines the bold flavors of traditional chile rellenos with the ease of a casserole. Layered with roasted poblano peppers, savory cheese, and a rich tomato sauce, this dish is sure to impress your family and friends. Easy to prepare and packed with flavor, it’s the perfect comfort food for any occasion.
Ingredients
- 4 large poblano peppers
- 1 pound ground beef or turkey
- 1 cup cooked rice
- 1 can (15 oz) diced tomatoes
- 2 cups shredded cheese (cheddar or Monterey Jack)
- 1 onion, chopped
- 2 cloves garlic, minced
- 1 tsp cumin
- 1 tsp chili powder
- Salt and pepper to taste
- 1 cup sour cream

Servings and Cooking Time
This recipe serves 6 people. Preparation time is about 20 minutes, and cooking time is approximately 40 minutes.
Nutritional Value
Each serving (1/6 of the casserole) contains approximately:
– Calories: 320
– Protein: 22g
– Carbohydrates: 28g
– Fat: 15g
– Fiber: 3g
This is based on a standard serving size.
Step-by-Step Cooking Process
- Preheat your oven to 350°F (175°C).
- Roast the poblano peppers over an open flame until charred; place in a bowl and cover for 10 minutes.
- In a skillet, cook the chopped onion and garlic until translucent.
- Add ground meat to the skillet and cook until browned.
- Stir in cooked rice, diced tomatoes, cumin, chili powder, salt, and pepper.
- Remove skins from the roasted peppers and slice them open to remove seeds.
- In a baking dish, layer half of the meat mixture, followed by half of the cheese.
- Place the poblano peppers on top and fill them with the remaining meat mixture.
- Top with the remaining cheese and sour cream.
- Bake in the preheated oven for 30-40 minutes until bubbly and golden.

Alternative Ingredients
You can substitute ground beef with ground chicken or a meat alternative for a lighter option. Additionally, if you prefer a vegetarian dish, omit the meat and add black beans or corn for added texture and flavor.
Serving and Pairings
This casserole pairs beautifully with a fresh green salad, tortilla chips, or Mexican rice. A dollop of guacamole or fresh salsa on top adds a zesty finish.
Storage and Reheating
Store leftovers in an airtight container in the refrigerator for up to 3 days. To reheat, place in the oven at 350°F until warmed through. This casserole can also be frozen for up to 2 months; just ensure it’s well-sealed.
Cooking Mistakes
- Overcooking the peppers can make them mushy.
- Not seasoning the meat mixture adequately can lead to bland flavor.
- Using low-quality cheese can affect the overall taste.
- Skipping the roasting step for peppers can reduce flavor depth.
- Not allowing the casserole to rest before serving can result in a messy presentation.
Helpful Tips
- Mix and match cheeses for a more complex flavor.
- Consider adding a layer of black beans for extra protein.
- Use fresh herbs as a garnish for added freshness.
- Prepare the casserole a day in advance for easier serving.

FAQs
Can I make this casserole ahead of time?
Absolutely! You can prepare it the day before and refrigerate it. Just bake it when you’re ready to serve.
What can I substitute for poblano peppers?
If poblano peppers are unavailable, you can use bell peppers or anaheim peppers for a milder taste.
How long will leftovers last?
Leftovers can be stored in the fridge for up to 3 days and can be frozen for up to 2 months.
Is this dish spicy?
The spice level can be adjusted based on the type of peppers used. Poblano peppers are mild, but you can opt for spicier varieties if desired.
Can I add other vegetables?
Certainly! Feel free to include diced zucchini, corn, or spinach for added nutrition and flavor.
Conclusion
This chile relleno casserole recipe is a delightful twist on a classic favorite, perfect for family dinners or gatherings. With its rich flavors and comforting texture, it’s sure to become a staple in your recipe collection. Enjoy every bite of this flavorful dish!

Chile Relleno Casserole
Ingredients
- 4 large poblano peppers
- 1 pound ground beef or turkey
- 1 cup cooked rice
- 1 can 15 oz diced tomatoes
- 2 cups shredded cheese cheddar or Monterey Jack
- 1 onion chopped
- 2 cloves garlic minced
- 1 tsp cumin
- 1 tsp chili powder
- Salt and pepper to taste
- 1 cup sour cream
Instructions
- Preheat your oven to 350°F (175°C).
- Roast the poblano peppers over an open flame until charred; place in a bowl and cover for 10 minutes.
- In a skillet, cook the chopped onion and garlic until translucent.
- Add ground meat to the skillet and cook until browned.
- Stir in cooked rice, diced tomatoes, cumin, chili powder, salt, and pepper.
- Remove skins from the roasted peppers and slice them open to remove seeds.
- In a baking dish, layer half of the meat mixture, followed by half of the cheese.
- Place the poblano peppers on top and fill them with the remaining meat mixture.
- Top with the remaining cheese and sour cream.
- Bake in the preheated oven for 30-40 minutes until bubbly and golden.