Sweet Potato Chili

INGREDIENTS
3 lbs ground beef or ground sirloin
1 1/2 white onions, diced
2 clove garlic, minced
3 (14oz) cans tomato sauce
3 (14oz) can petite minced tomatoes
3 cups beef stock - approx.
3 large sweet potatoes, peeled and diced
6-8 Tbsp chili powder
4 tsp salt
1 tsp black pepper
1/2 tsp oregano
optional: ¼ tsp cayenne pepper

INSTRUCTIONS

In a saute pan, brown beef over medium heat until cooked through. Drain excess fat. Transfer cooked beef to slow cooker. Add remaining ingredients to slow cooker. Stir to combine.
Cook on SLOW for 6-8 hours or HIGH 3-4 hours.