Creating Dolly Parton’s Casserole is straightforward and rewarding. Follow these steps to enjoy this incredible dish:

1. Preheat Oven: Preheat your oven to 350°F (175°C).
2. Cook Ground Beef: In a large skillet, heat the olive oil over medium heat. Add the chopped onion and sauté until translucent. Then, add the ground beef and cook until browned, stirring occasionally.
3. Add Seasonings: Stir in the garlic powder, chili powder, cumin, salt, and pepper. Mix well to combine.
4. Combine Ingredients: Add the diced tomatoes, tomato sauce, corn, black beans, and cooked rice to the skillet. Stir until all ingredients are well incorporated.
5. Transfer to Baking Dish: Pour the mixture into a greased 9×13-inch baking dish, spreading it evenly.
6. Top with Cheese: Sprinkle the shredded cheese evenly over the top of the casserole.
7. Bake: Place the baking dish in the preheated oven and bake for 30-35 minutes, or until the cheese is melted and bubbly.
8. Garnish: Remove from the oven and let it cool for a few minutes. Garnish with fresh cilantro if desired.
9. Serve: Cut into squares and serve warm, enjoying the comforting flavors of this amazing casserole.

With these easy-to-follow steps, you’ll have a delicious meal ready to impress your family and friends!