Ground Beef Casserole

1 pound ground beef
1 medium onion
1/2 cup brown sugar
1 cup catsup
1 tablespoon Worcestershire sauce
1 (31 ounce) can pork and beans

Brown ground beef with onion. Mix all ingredients well. Pour into a casserole and bake for 30 to 45 minutes at 350 degrees F. You may put bacon on top if desired.