Line 13 x 9-inch baking pan with heavy-duty foil. Spread with
mayonnaise. Layer sirloin strips, soup mix, mushrooms and green
prepared pan. Drain tomatoes, reserving juice. Arrange tomatoes
top. Pour mixture of reserved juice and remaining ingredients
layers; cover with foil.
Bake at 350° for 2 1/2 hours.
Calories per serving: 428
Fat per serving: 21.6