Beef Stroganoff

Source: Mom

Ingredients
1 T Margarine
1 ½ LB Ground Beef
1 Medium Onion, Chopped
1 t Salt
1/8 t Pepper
1 (8 oz) Can Mushrooms, Undrained
1 PKG Smart Taste Whole Wheat Pasta
Cornstarch

Prepare pasta according to package directions. In skillet over med-high heat, cook ground beef and onion in butter until done. Add salt, pepper, and ¼ C liquid from mushrooms. Simmer, covered, for 1hr 15minutes or until tender. Add mushrooms. Heat through. Remove meat and mushrooms to platter and make gravy with cornstarch. Pour gravy over dish.