Mushroom-onion Topper For Burgers
1 Tablespoon Margarine Or Butter
1 Onion; Thinly Sliced
4 Ounces Mushrooms; 1 can, *
1/2 Teaspoon Worcestershire Sauce
1/8 Teaspoon Pepper
* Use 1 4-oz can of mushroom stems and pieces. Melt margarine in a small skillet. Add onion slices and cook and stir until tender. Stir in remaining ingredients and heat through. Serve, hot, over patties.