Old-Fashioned Hot Open-Faced Roast Beef Sandwich

Name: Old-Fashioned Hot Open-Faced Roast Beef Sandwich
Prep time: 20 min
Cook time: 20 min
Total time: 20 min
Yield: 4
Cuisine: Global
Ingredients: 8 slices bread; 473 milliliters leftover gravy; 237 milliliters finely minced onion , sauteed lightly (optional); 473 milliliters leftover roast beef; 4 servings salt and pepper

This dairy free recipe serves 4. One serving contains 234 calories, 11g of protein, and 4g of fat. Head to the store and pick up roast beef, salt and pepper, onion, and a few other things to make it today. From preparation to the plate, this recipe takes about 20 minutes.