3 lb. ground beef
2 tbsp. chili powder
1 1/2 tbsp. mustard
1 tbsp. pepper
1 tbsp. salt
2 (12 oz.) cans tomato puree
1 1/2 tbsp. Worcestershire sauce
1 lg. onion

Mix well in a large pot or crock pot. Cook slowly and stir several times. Cook over medium heat for 2 1/2 to 3 hours.