1Combine chicken broth, chicken thighs, diced tomatoes, onion, carrots, water, celery, garlic, basil leaves, salt, pepper, and red pepper flakes in a slow cooker. Stir well and cover.
2Cook on Low until chicken is tender and flavors combine, about 7 hours. Stir to break up chicken. Add frozen vegetables and rice. Cover and cook on High until rice is tender, about 1 hour.
Footnotes
Cook's Notes:
Substitute gluten-free pasta for the rice if desired.
Substitute garlic powder or garlic paste for the minced garlic if preferred.