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1. **Preheat the Oven:**
– Preheat your oven to **350°F (175°C)**. Lightly grease a 9×13-inch baking dish with cooking spray or a small amount of olive oil.
2. **Cook the Ground Beef:**
– In a large skillet, heat a bit of olive oil over medium heat. Add the diced onion and sauté until softened, about 3-4 minutes.
– Add the ground beef (or your chosen meat) to the skillet and cook until browned, breaking it apart as it cooks. Drain any excess fat.
– Stir in the taco seasoning and cook according to the packet instructions. If you’re using homemade seasoning, add a mix of chili powder, cumin, paprika, garlic powder, onion powder, and salt. Add a little water to help the seasoning blend with the meat.
4. **Bake the Casserole:**
– Place the casserole in the preheated oven and bake for **25-30 minutes**, or until the cheese is melted and bubbly, and the casserole is heated through.
5. **Serve and Enjoy:**
– Once out of the oven, let the casserole cool for a few minutes. If desired, top with a dollop of sour cream, chopped green onions, or fresh cilantro for added flavor.
– Serve hot, alongside some Mexican rice, a fresh salad, or a side of guacamole.
– **Make it Spicy or Mild:** Adjust the heat level to your preference by choosing mild or spicy salsa, and adding more or less of the diced green chilies.
– **Add Veggies:** If you want to make your casserole even heartier, consider adding chopped bell peppers, zucchini, or spinach to the mix. These veggies blend in seamlessly with the other ingredients.
– **Make it Ahead:** This casserole can be prepared the day before and stored in the fridge until you’re ready to bake. You can also freeze it before baking, then cook it from frozen when you’re ready to serve.
### **Why You Should Try Mexican Casserole**
– **Hearty and Filling:** The combination of beans, meat, cheese, and chips makes for a filling meal that will keep you satisfied without needing a lot of sides.
– **Budget-Friendly:** This casserole is made with affordable ingredients that you probably already have on hand, making it a great meal option for those on a budget.
### **Conclusion**