Follow these straightforward steps to create your Easy Cheesy Ground Beef Enchiladas:

1. Preheat the Oven: Preheat your oven to 350°F (175°C) to prepare for baking.
2. Cook the Beef: In a skillet over medium heat, add olive oil and ground beef. Cook until browned, about 5-7 minutes, breaking it apart with a spatula.
3. Add Seasoning: Stir in taco seasoning and cook according to package instructions, typically about 2 minutes.
4. Mix Fillings: Remove from heat and stir black beans and half of the shredded cheese into the meat mixture.
5. Prepare Tortillas: Warm the flour tortillas in the microwave for about 30 seconds to make them more pliable.
6. Assemble Enchiladas: Spread a thin layer of enchilada sauce at the bottom of a baking dish. Place a generous scoop of the beef mixture onto each tortilla, roll it up tightly, and place it seam-side down in the dish.
7. Top with Sauce: Pour the remaining enchilada sauce over the top of the rolled tortillas. Sprinkle with the remaining cheese and diced onions if using.
8. Bake: Cover the baking dish with aluminum foil and bake in the preheated oven for 15 minutes. Remove foil and bake for an additional 10 minutes to let the cheese bubble and brown slightly.
9. Garnish: Once done, remove from the oven. Let it cool for a few minutes before garnishing with fresh cilantro and serving with sour cream if desired.

These steps will guide you effortlessly in creating a dish that brings joy and satisfaction to everyone around the table!