Easy Mexican Ground Beef Casserole Recipe for Weeknight

Mexican Ground Beef Casserole has become a weeknight staple in my kitchen. It’s a hearty, flavorful dish that comes together with simple ingredients and minimal fuss, making it ideal for busy evenings. The kind of meal that satisfies a crowd and leaves you with pleasant leftovers.

Why This Mexican Ground Beef Casserole Works

This casserole is a winner because it hits all the right notes: savory ground beef, zesty salsa and taco seasoning, creamy cheese, and a base that’s both filling and delicious. It’s adaptable, budget-friendly, and a crowd-pleaser for both kids and adults.

Ingredients

• 1 tablespoon olive oil
• 1 pound lean ground beef
• 1 medium onion, chopped
• 2 cloves garlic, minced
• 1 (15 ounce) can black beans, rinsed and drained
• 1 (10 ounce) can Rotel diced tomatoes and green chilies, undrained
• 1 (4 ounce) can diced green chilies, undrained
• 1 packet taco seasoning (or your own blend)
• 1 teaspoon cumin
• 1/2 teaspoon chili powder
• 1/4 teaspoon salt, or to taste
• 1/4 teaspoon black pepper, or to taste
• 1 cup cooked rice (white or brown)
• 1 cup shredded cheddar cheese
• 1/2 cup shredded Monterey Jack cheese
• Optional toppings: sour cream, salsa, chopped cilantro, sliced jalapeños

Before you begin, gather all your ingredients. Having everything prepped and ready to go ensures a smooth cooking process and allows you to focus on the steps without interruption.

Don’t miss this delicious recipe: Cheesy Taco Potatoes Bake with Ground Beef Recipe

How to Make It

1. Preheat your oven to 375°F (190°C). Lightly grease a 9×13 inch baking dish.
2. Heat the olive oil in a large skillet or Dutch oven over medium-high heat. Add the ground beef and cook, breaking it up with a spoon, until browned. Drain off any excess grease.
3. Add the chopped onion to the skillet and cook until softened, about 5-7 minutes. Stir in the minced garlic and cook for another minute until fragrant.
4. Stir in the rinsed and drained black beans, undrained Rotel diced tomatoes and green chilies, and undrained diced green chilies.
5. Add the taco seasoning, cumin, chili powder, salt, and pepper. Stir well to combine all the ingredients and coat the meat mixture.
6. Bring the mixture to a simmer, then reduce the heat and let it cook for about 10 minutes, allowing the flavors to meld and the liquid to reduce slightly.
7. Stir in the cooked rice until evenly distributed throughout the meat and bean mixture.
8. Spoon half of the meat and rice mixture into the prepared baking dish.
9. Sprinkle half of the shredded cheddar and Monterey Jack cheeses evenly over the meat mixture in the dish.
10. Spoon the remaining meat and rice mixture over the cheese layer.
11. Top with the remaining shredded cheddar and Monterey Jack cheeses, spreading them evenly to cover the entire surface.
12. Bake for 20-25 minutes, or until the casserole is heated through and the cheese is melted and bubbly, with a few golden brown edges.
13. Let the casserole stand for 5-10 minutes before serving to allow it to set.

This Mexican Ground Beef Casserole is ready to be enjoyed after a simple baking process. The key is to ensure everything is heated through and the cheese is delightfully melted.

Nutrition at a Glance

• Calories: Approximately 400-500 per serving (will vary based on exact ingredients and portion size)
• Protein: Around 25-30g (from ground beef and beans)
• Fat: Around 15-25g (depending on the leanness of the beef and amount of cheese)
• Carbohydrates: Approximately 30-40g (from rice, beans, and tomatoes)
• Fiber: About 5-8g (primarily from beans)
• Sodium: Varies greatly depending on canned goods and seasoning packet. Using low-sodium options can significantly reduce this.

It’s always a good idea to check the specific nutritional information of the brands you use, especially for canned goods and taco seasoning packets, as these can vary widely and impact the overall nutritional profile of the dish.

How to Serve It

• Serve hot, straight from the oven or after a brief resting period.
• Top with your favorite Mexican-inspired fixings like a dollop of sour cream, a spoonful of salsa, fresh chopped cilantro, or some thinly sliced jalapeños for a bit of heat.
• A side of corn, a simple green salad, or some crispy tortilla chips can make this a complete meal.

This Mexican Ground Beef Casserole is versatile enough to be a standalone dish or to be paired with a variety of accompaniments, making it easy to tailor to your preferences or what you have on hand. My family loves it with a side of refried beans and some warm corn tortillas.

Common Mistakes

• Not browning the beef properly: This can lead to a greasy casserole and a less developed flavor. Ensure you brown the beef thoroughly and drain off the excess fat.
• Using undercooked rice: If your rice isn’t fully cooked, it won’t soften enough in the casserole, resulting in a mushy or al dente texture where you want it tender.
• Over-baking: This can dry out the casserole and make the cheese tough. Keep an eye on it during the last few minutes of baking.
• Skipping the resting time: While it’s tempting to dig in immediately, letting the casserole rest for a few minutes helps it set, making it easier to serve cleanly.
• Not adjusting seasoning: Taco seasoning packets can vary in saltiness and spice levels. Taste the meat mixture before adding it to the casserole and adjust salt, pepper, and any other spices as needed.

Avoiding these common pitfalls will help ensure your Mexican Ground Beef Casserole turns out delicious and well-textured every time. It’s all about paying attention to the details, and with a little practice, you’ll be making this dish with confidence.

Storage and Reheating

• Storage: Once cooled to room temperature, cover the casserole tightly with plastic wrap or transfer it to an airtight container. Store in the refrigerator for up to 3-4 days.
• Reheating:
  • Oven: For best results, reheat individual portions or the entire casserole in a preheated oven at 350°F (175°C) until heated through, about 15-20 minutes for individual portions or 25-30 minutes for a larger dish. You may want to cover it loosely with foil to prevent the cheese from browning too much.
  • Microwave: Reheat individual servings in the microwave on medium power for 1-2 minutes, stirring halfway through, until heated through.
  • Stovetop: You can also reheat the mixture in a skillet over medium-low heat, stirring occasionally, until warmed through. This is a good option if you’ve taken the casserole apart.

Proper storage and reheating will help maintain the quality and flavor of your Mexican Ground Beef Casserole, ensuring it’s just as enjoyable from leftovers as it is fresh. I generally find that oven reheating preserves the texture of the cheese and the overall dish better than microwaving.

Leftover Ideas

• Taco Salad Base: Reheat the leftover casserole and spoon it over a bed of lettuce. Add your favorite taco salad toppings like shredded lettuce, diced tomatoes, avocado, and your preferred dressing.
• Stuffed Bell Peppers: Use the leftover casserole mixture as a filling for halved bell peppers. Bake until the peppers are tender and the filling is heated through.
• Quesadillas: Spread some of the casserole mixture between two tortillas with extra cheese, then cook in a skillet until golden brown and melted.
• Burrito Bowls: Reheat the casserole and serve it over rice, along with your favorite burrito bowl toppings like black beans, corn, salsa, and crema.
• Nachos: Spread tortilla chips on a baking sheet, top with the reheated casserole mixture, and bake until heated through. Add cheese and your favorite nacho toppings.

Leftovers of this Mexican Ground Beef Casserole are incredibly versatile and can be transformed into entirely new and exciting meals, extending the enjoyment of your cooking and reducing waste. I honestly look forward to the leftovers as much as the initial meal; they are that good!

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