In a large skillet over medium heat, brown the ground beef for 5-7 minutes until fully cooked. Drain excess fat if needed.

Add diced bell peppers and cook for another 3-4 minutes until softened.

Sprinkle taco seasoning over the mixture and add water as per package instructions. Stir well to combine.

Stir in rinsed black beans and uncooked rice; pour in enough water based on rice package directions.

Bring to a boil, then cover and reduce heat to simmer for about 15-20 minutes or until rice is tender.

Sprinkle shredded cheddar cheese on top, cover for one more minute to melt the cheese.

Serve warm with sour cream on top if desired.