truck stop potatoes

Ingredients

• 2-1/2 pound small red potatoes, coarsely chopped (5 cups)
• 1 large onion, chopped
• 1 - 8 oz. carton sour cream
• 1 cup shredded monterey jack cheese
• 1 cup shredded sharp cheddar cheese
• 1/4 cup butter, melted
• 1/2 teaspoon salt
• 1/4-1/2 teaspoon ground red pepper
• 1 can 14-1/2 oz. diced tomatoes, drained
• 1/2 cup sour cream (optional)
• - chopped fresh tomato, chopped avocado & sliced green onion (optional)