Texas Beef with Butternut Squash

Trim beef roast and cut beef into 2-inch pieces. In a 5- to 6-quart slow cooker stir together beef, squash, tomatoes, beef broth, onion, chiles, chile powder, cocoa powder, cumin, oregano, and garlic.

Cover and cook on low-heat setting for 8 to 10 hours or on high-heat setting for 4 to 5 hours. Sprinkle each serving with cilantro. If desired, serve with polenta or hot cooked rice.