Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
     1/2  pound         beans -- great northern, dried
   1                    ham hock
   2      medium        onions -- chopped
   1      tablespoon    butter -- (or marg.), melted
   1      pound         ground beef
  28      ounces        tomatoes -- pear shaped
   2      tablespoons   sugar -- brown
   1      tablespoon    mustard -- dry
   1      tablespoon    mustard seeds
   1      tablespoon    chili powder
   1      teaspoon      worcestershire sauce
                        salt -- to taste
                        pepper -- to taste

Preparation:

Sort and wash beans; place in a heavy saucepan or Dutch oven. Cover with water, and bring to a boil; boil 2 minutes. Remove from heat, and soak 1 hour. Add ham hock; cover and cook gently about 1 hour or until tender, adding more water if necessary. Saute onion in butter; add to beans. Brown ground beef, stirring to crumble; add remaining ingredients, and simmer 10 minutes. Add to beans. Spoon bean mixture into a 2-1/2 quart casserole. Bake at 400 degrees for 30 minutes or until thickened.