Microwave French Dip
["2 onions, cut into rings", "4 Tbsp. margarine", "1 loaf French bread", "1/2 lb. sliced roast beef", "salt and pepper to taste", "2 cans beef gravy"]
["Combine onions and margarine in", "a small glass bowl. Cover with plastic wrap. Cook on High 3 to 4 minutes or until tender, stirring once.", "Next, slice", "bread in half lengthwise and then cut into 4 equal sandwiches. Top each sandwich with roast beef and then with onions. Season to taste.", "Close sandwiches and wrap in paper towels.", "Heat gravy. Cook sandwiches for 2 to 3 minutes or until warm.", "Serve with gravy for dipping."]
["onions", "margarine", "bread", "beef", "salt", "beef gravy"]