Slow Cooker Quinoa Sweet Potato Chicken

chicken broth

chopped cooked chicken, or more to taste

petite-cut diced tomatoes with garlic and olive oil

red kidney beans, drained and rinsed

black beans, drained and rinsed

large sweet potatoes, peeled and cut into cubes

quinoa

dried minced onion

chili powder

minced garlic

red pepper flakes

salt and ground black pepper