Baked Beans and Hamburger

3 strips bacon, diced
3/4 lbs. lean ground beef
1 1/4 cups finely chopped onions
1 28-ounce can pork and beans in tomato sauce
1 8-ounce can tomato sauce
1/4 cup brown sugar
1 Tbs. prepared mustard
1/4 cup ketchup
salt and pepper to taste

Cook bacon: drain on a paper towel, let cool, then dice. In a large skillet, cook the ground beef and saute onions until tender, about 15 minutes. Drain the fat. Mix in bacon and remaining ingredients, put in container, and freeze.
To Prepare for serving, thaw and bake uncovered in a large baking dish in preheated 350 oven for 30 to 40 minutes.