Turkey & Tomato slow cook with a Kick!

Ingredients: 1 pound extra-lean ground turkey (99% lean) 1 cup chopped sweet onion 2 cups finely chopped celery 1 teaspoon red pepper flakes (optional) 1 teaspoon ground cumin 4 cups low-sodium chicken broth 28-ounce can crushed tomatoes 3 tablespoons ground chili...