If you are looking for a meaty chili, make this Slow Cooker Cincinnati Chili. It is loaded with flavor and the combination of the spices makes this the best chili.
Heat a large skillet over medium-high heat and add 2 pounds ground beef. Cook for 5–7 minutes, breaking the meat apart as it cooks, until browned and fully cooked. Drain any excess grease.
Transfer the cooked ground beef to the crock pot.
Add 1 Tablespoon olive oil, 1 finely chopped onion, two 8-ounce cans tomato sauce, 2 Tablespoons tomato paste, 2 Tablespoons chili powder, 2 Tablespoons apple cider vinegar, ½ teaspoon sugar, 2 teaspoons Worcestershire sauce, 1 ounce grated unsweetened chocolate, 2 cups chicken broth, 2 cups water, 2 teaspoons minced garlic, 1 teaspoon ground cinnamon, 1 Tablespoon dried oregano, ½ teaspoon salt, ½ teaspoon red pepper flakes, ¼ teaspoon ground allspice, ¼ teaspoon ground cloves, and 1 bay leaf to the crock pot.
Stir all the ingredients together until well combined.
Cover and cook on LOW for 6–8 hours or on HIGH for 3–4 hours.
Remove and discard the bay leaf before serving.
Serve the chili over cooked spaghetti.
Top each serving with shredded cheddar cheese, chopped onions, and red kidney beans as desired.
Serve warm and enjoy.
Notes
Refrigerate the leftovers in an airtight container for up to 5 days.