New Year'S Bean Soup
["1 (1 lb.) bag mixed dried beans", "1 large onion", "1 large can (28 oz.) tomatoes", "juice of a lemon", "1 clove garlic, chopped", "1 tsp. chili powder", "salt and pepper to taste", "ham bone or ham hocks"]
["Soak beans overnight with 2 tablespoons salt.", "Drain next day, add 2 quarts water and ham bone.", "Simmer slowly for 3 hours and then add rest of ingredients and simmer another 30 minutes or more until beans are tender.", "Thicken if desired."]
["beans", "onion", "tomatoes", "lemon", "clove garlic", "chili powder", "salt", "ham bone"]