Creating Cowboy Casserole is straightforward and rewarding. Follow these simple steps:

1. Preheat the Oven: Start by preheating your oven to 350°F (175°C).

2. Cook the Beef: In a large skillet, cook the ground beef over medium heat until browned. Drain any excess fat.

3. Add Ingredients: Stir in the black beans, corn, diced tomatoes, and taco seasoning mix. Allow the mixture to cook for about 5 minutes, stirring occasionally.

4. Combine with Cheese: Remove the skillet from heat and mix in ½ cup of the shredded cheddar cheese and the sour cream. Season with salt and pepper to taste.

5. Transfer Mixture: Spread the beef mixture evenly in a greased 9×13-inch casserole dish.

6. Top with Tater Tots: Arrange the tater tots or hash browns evenly on top of the beef mixture.

7. Bake: Place the casserole in the preheated oven and bake for 30-35 minutes, or until the tater tots are golden brown and crispy.

8. Add Remaining Cheese: Pull the casserole out of the oven and sprinkle the remaining ½ cup of cheddar cheese across the top. Return it to the oven for an additional 5-10 minutes, until the cheese is melted and bubbly.

9. Cool and Serve: Once baked, let the casserole cool for about 5-10 minutes before serving. Garnish with fresh cilantro or green onions if desired.

With these steps, you’ll create an incredible dish full of flavors that bring people together.