Preheat the oven to 400°F.
Cook brown rice according to package directions.
Combine the beans, rice, salsa and salt in a bowl.
Spoon about 3 tablespoons of the mixture into the bottom of each pepper.
Place a slice of tomato on top of the mixture and sprinkle with 2 tablespoons of shredded cheese.
Spoon about 3 tablespoons of the mixture again to fill the pepper completely.
Bake peppers for 30 minutes. Top each pepper with 2 tablespoons of cheese and continue baking for 15 minutes more.
Remove from oven and let rest for 15 minutes. Serve and enjoy!