Cranberry Meatballs

1 pound ground beef
1/2 cup bread crumbs
1 egg
1 teaspoon instant minced mustard onion
1/4 teaspoon dry mustard
salt and pepper
butter
8 ounces tomato sauce
1 pound can of whole cranberry sauce

Combine ground beef, bread crumbs, egg, minced onion, mustard, salt and pepper. Shape meat mixture into ping pong size balls and brown them in butter, in a frying pan that has a lid. Mix together tomato sauce and cranberry sauce. Pour over the browned meatballs, then cover and simmer for about 30 minutes.