Spanish Sandwiches

1 1/2 pounds ground chuck
1 medium onion, chopped
1 medium green bell pepper, chopped
1 teaspoon salt
2 teaspoons chili powder
1/2 cup shredded cheese
1 can tomato soup
6 hamburger buns, split

Brown meat, onion and green pepper in skillet. Add salt, chili powder, cheese and tomato soup. Stir to mix well. When cheese has melted, cover and simmer for 30 to 60 minutes. Stir at intervals.