Chicken Tortilla Soup

the meat from 1 rotisserie chicken
1 can diced tomatoes
1 can RoTel tomatoes
1 can black beans, drained/rinsed
1 can pinto beans
1 can kidney beans, drained/rinsed
4 chicken bullion cubes
2 cups water
1/3 block of Velveeta cheese, diced
1 cup sour cream

tortilla chips

Combine everything, except tortilla chips, Velveeta, and sour cream in a big pot. Bring to a boil. Reduce heat and whisk in sour cream and then add the Velveeta. Soup is ready to serve when all the cubes of Velveeta have melted. Salt & pepper to taste. Serve with tortilla chips.