1. Cook ground beef and onion in large skillet on medium heat until beef is browned and onion is tender. Drain excess fat.
2. Stir in ketchup, cocoa, mustard, chili powder, pepper and salt. Heat 10 to 15 minutes on low heat or until hot. Serve in buns. Cover; refrigerate leftovers. About 4 servings.
Nutritional Information per serving (1/4 recipe):
Calories: 570, Total Fat: 37g, Saturated Fat: 14g, Cholesterol: 130mg, Sodium: 1520mg,
Total Carbohydrate: 29g, Dietary Fiber: 4g, Sugars: 16g, Protein: 32g, Vitamin A: 50%DV*,
Vitamin C: 10%DV*, Calcium: 4%DV*, Iron: 20%DV*
%DV= %Daily Values are calculated based on 2000 calorie diet