Step 1

Heat the olive oil in a large pan over medium high heat. Add the beef and season with 1 teaspoon salt and 1/2 teaspoon pepper. Cook, breaking up the meat with a spoon, until beef is browned and cooked through.

Step 2

Place the ground beef in the slow cooker along with the onion, garlic, tomatoes, tomato sauce, beef broth, chili powder, cumin, smoked paprika, cocoa powder, sugar and remaining 1/2 teaspoon salt.

Step 3

Stir to combine, then cover and cook on low for 6 hours or high for 3 hours. Add the beans and cook for an additional 20 minutes until beans are warmed through. Serve immediately.