Let's Fiesta Bake

Ingredients

• 2 tablespoons butter
• 1 (6.8-ounce) box Spanish rice mix, seasoning packet reserved
• 2 cups water
• 1 (10-ounce) can diced tomatoes with green chilies, undrained
• 4 cups chicken, cooked and chopped
• 1 (1.25-ounce) packet fajita seasoning
• 1 (10.5-ounce) can condensed cream of chicken soup
• 1 (8-ounce) container sour cream
• 1/2 small onion, chopped
• 1 bell pepper, chopped
• 2 cups cheddar cheese, shredded
• lettuce, optional, to taste, shredded, for topping
• cherry tomatoes, optional, to taste, halved, for topping