These Crockpot Tex Mex Meatballs are a delicious and easy appetizer or main dish. Made with ground beef, breadcrumbs, spices, and a flavorful Tex Mex sauce, these meatballs are slow-cooked to perfection. Serve them as an appetizer with toothpicks or as a main dish with rice or pasta. They are perfect for parties, potlucks, or weeknight dinners.