Brown the Meat: In a skillet, cook the ground beef or turkey until browned. Drain fat and transfer to the slow cooker.
Sauté Vegetables: In the same skillet, sauté onions, garlic, and bell peppers until softened. Add tomato paste and cook for 2 minutes. Transfer to the slow cooker.
Combine Ingredients: Add crushed tomatoes, beans, cocoa powder, chipotle peppers, and spices to the slow cooker. Stir well.
Slow Cook: Cover and cook on low for 6-8 hours or on high for 3-4 hours.
Serve: Garnish with your favorite toppings and enjoy!