Cincinnati Chili - cooking recipe

Ingredients

2 lb. hamburger (don't brown first)
2 chopped onions
1 qt. water
2 (8 oz.) cans tomato paste
1/2 tsp. allspice
1/4 tsp. garlic powder
4 Tbsp. chili powder
1 tsp. cumin
1/2 tsp. red pepper
1/2 oz. unsweetened chocolate
2 Tbsp. vinegar
1 bay leaf
2 tsp. Worcestershire sauce
2 tsp. cinnamon
1 1/2 tsp. salt
4 drops Tabasco sauce

Preparation

Combine first 3 ingredients; simmer for 30 minutes and then add remainder of ingredients.
Simmer, uncovered, for 2 to 3 hours until thickened.
Refrigerate overnight.