Baked Beans with Beef

1/2 lb Beans, Great Northern; dried
1 Ham hock
2 md Onions; chopped
1 tb Butter (or marg.); melted
1 lb Ground beef
28 oz Tomatoes, pear-shaped; lg can
2 tb Sugar, brown
1 tb Mustard, dry
1 tb Mustard seeds
1 tb Chili powder
1 ts Worcestershire sauce
Salt; to taste
Pepper; to taste

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 for 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.