Turkey Tortilla Soup

1 In a large Dutch oven over medium-high heat, add the tomatoes in juice and the refried beans. Stir together and bring to a boil.
2 Add the chicken stock to the pan, stirring constantly as the ingredients mix. Add in the turkey meat, and bring to a boil.
3 Once the soup has begun to boil, cover and lower the heat, simmering for 45 minutes.
4 Serve warm with ample amounts of cheese stirred in and topped with tortilla chips and avocado slices.