Follow these easy steps to achieve the heartwarming flavors of Slow Cooker Cowboy Casserole:

1. Brown the Meat: In a skillet over medium-high heat, brown the ground beef (or turkey) until cooked through. Drain any excess fat.
2. Combine Ingredients: In your slow cooker, add the browned meat, black beans, kidney beans, corn, diced tomatoes with green chilies, taco seasoning, diced onion, and bell peppers.
3. Add Broth: Pour in the beef broth, ensuring everything is well mixed.
4. Season to Taste: Add salt and pepper according to your taste and give the mixture another gentle stir.
5. Cook: Cover and set your slow cooker to low for 6-8 hours or high for 3-4 hours.
6. Add Cheese: About 30 minutes before you plan to serve, sprinkle the shredded cheddar cheese on top. Cover once more to let it melt.
7. Check Consistency: If the mixture appears too thick, feel free to add a splash of water or broth.
8. Serve: Once cooked and the cheese is melted, give it a gentle stir and it’s ready to be served.

This straightforward process will yield a splendid casserole, radiating warmth and deliciousness.