Cincinnati Chili

Name: Cincinnati Chili
Ingredients: 2 tablespoons vegetable oil; 2 onions, chopped; 2 cloves garlic, minced; 2 tablespoons chili powder; 2 tablespoons sweet paprika; 1 1/2 teaspoons ground cumin; 1 teaspoon ground allspice; 1/2 teaspoon ground coriander; 1 1/2 teaspoons ground cinnamon; 1/4 to 1/2 teaspoon cayenne pepper; 1/4 teaspoon ground cloves; 1 1/2 pounds ground beef chuck; Kosher salt; 1 6-ounce can tomato sauce; 1 cup diced tomatoes; 1 bay leaf; 2 tablespoons chopped unsweetened chocolate; 1 tablespoon cider or red wine vinegar; 2 tablespoons Worcestershire sauce; Freshly ground pepper; 12 ounces spaghetti; 1 19-ounce can kidney beans, drained and rinsed; 1 pound grated cheddar cheese; Oyster crackers, for serving (optional)