Beef Ribs In A Bag

Beef ribs
1 (8 oz.) can tomato sauce
1/3 C. brown sugar
1/4 C. ketchup
1/4 C. vinegar
1 T. prepared mustard
2 garlic cloves, minced
dash Worchestershire sauce
1/2 minced onion

Prepare oven cooking bag as directed (ie.- put 2 T. flour in and shake). Salt and pepper ribs. Put in bag and put bag and ribs in a shallow baking dish. Mix the remaining sauce ingredients and pour on top of ribs. Close bag and punch several holes in bag along the top surface with a fork. Bake at 350' for 1 1/2 hours.