best-ever potatoes

ingredients   

• 7 cups coarsely chopped small red potatoes
• 1 8 ounce carton dairy sour cream
• 1 cup chopped onion
• 1 cup (4 oz.) shredded Monterey Jack cheese
• 1/2 teaspoon salt
• 1 cup (4 oz.) shredded sharp cheddar cheese
• 1/4- 1/2 teaspoon ground red pepper
• 2 medium tomatoes, seeded and chopped

directions

1. In a large saucepan cook potatoes and chopped onion, covered, in a small amount of boiling water until tender  for twelve to fifteen mins  ; drain. Stir in Jack cheese, cheddar cheese,sour cream, Monterey  salt, and red pepper. Stir in chopped tomatoes. Spoon into a 2-quart rectangular baking dish. 
2. Finally, Bake, uncovered,  until heated through in a 350 degree F oven about half-hour . .