In a large skillet, cook ground beef until almost done
Add chopped onions and garlic and cook until no pink remains in beef and onions are soft, about 3-5 minutes
Drain well and add to slow cooker
Add remaining ingredients and stir until well combined
Cook on low for 4-6 hours or high for 2-3 hours
Serve with your favorite toppings. Ours is pictured with shredded cheese and green onions with corn chips on the side.