Ground Beef and Sweet Potato Chili

Heat olive oil in a large pot over medium heat and saute the ground beef for 5 minutes. 2. Add the onions and saute for an additional 5 minutes. 3. Add the sweet potato cubes, crushed tomatoes, and dried spices and stir until combined. 4. Cover and bring the chili to a low simmer for one hour, stirring every 10 minutes. 5. Serve over rice or plain with your favorite chili toppings.