This Spicy Mexican Casserole Fiesta is a fiesta of flavors packed into one delicious dish! Layers of seasoned ground beef, beans, corn, and melted cheese are topped with a crispy tortilla chip crust for a hearty, crowd-pleasing meal. Perfectly spiced with chili powder, cumin, and jalapeños, this casserole brings the heat while still being customizable to suit your spice tolerance. Whether you're hosting a family dinner or feeding a hungry crowd, this dish is sure to be a hit. Let’s get cooking!
Why You’ll Love This Recipe
- Bold and Spicy: Packed with zesty spices and fresh jalapeños for a kick of heat.
- Easy to Make: Simple ingredients and straightforward steps make this recipe perfect for busy weeknights.
- Customizable: Adjust the spice level, add toppings, or swap ingredients to make it your own.
- One-Pan Wonder: Minimal cleanup—everything bakes in one dish!
Ingredients You’ll Need
For the Casserole:
- 1 lb ground beef (or turkey/chicken for a lighter option)
- 1 small onion, diced
- 2 cloves garlic, minced
- 1 packet taco seasoning (or homemade blend: 1 tbsp chili powder, 1 tsp cumin, 1/2 tsp paprika, 1/4 tsp cayenne pepper, salt, and pepper)
- 1 can (15 oz) black beans, drained and rinsed
- 1 can (15 oz) corn kernels, drained
- 1 can (10 oz) diced tomatoes with green chilies (like Rotel), undrained
- 1 cup shredded Mexican cheese blend (or cheddar/jack cheese)
- Optional: 1–2 jalapeños, finely chopped (for extra spice)
For the Topping:
- 1 cup crushed tortilla chips
- 1/2 cup shredded cheese (for topping)
- Fresh cilantro, chopped (for garnish)
- Optional toppings: sour cream, guacamole, salsa, sliced avocado, or lime wedges
Step-by-Step Instructions
1. Preheat and Prep
- Preheat your oven to 375°F (190°C). Lightly grease a 9x13-inch baking dish or casserole dish.
2. Cook the Beef Mixture
- In a large skillet over medium heat, cook the ground beef until browned, breaking it apart with a wooden spoon. Drain any excess fat.
- Add the diced onion and minced garlic to the skillet and cook for 2–3 minutes, until softened.
- Stir in the taco seasoning, black beans, corn, diced tomatoes with green chilies, and optional jalapeños. Cook for 5 minutes, stirring occasionally, to let the flavors meld.
3. Assemble the Casserole
- Transfer the beef mixture to the prepared baking dish, spreading it out evenly.
- Sprinkle 1 cup of shredded cheese over the top of the beef mixture.
4. Add the Topping
- Sprinkle the crushed tortilla chips evenly over the cheese layer.
- Top with an additional 1/2 cup of shredded cheese for extra gooeyness.