Step 1

In a large skillet, brown and crumble ground beef and ground chuck until cooked through. Drain and add to slow cooker.

Step 2

Add tomato sauce, diced tomatoes, tomato paste, onion, pepper, minced garlic, cayenne pepper, ground cumin, chili powder, white sugar, oregano, salt and pepper to slow cooker. Stir to combine. **See note below**

Step 3

Cover and cook on low for 8 hours or high for 4 hours. Serve with shredded cheddar cheese and sour cream, if desired.