This healthy and delicious recipe for crockpot chicken and sweet potatoes is perfect for a nutritious dinner. Start by processing onions, garlic, and sweet potatoes in a food processor until finely chopped. Then, add the mixture to a crockpot along with chicken breasts, chicken broth, and seasonings. Cook on low for 6-8 hours, or until the chicken is cooked through and the sweet potatoes are tender. Serve hot with a side of steamed broccoli.