Ingredients
1 medium onion, chopped1/2 cup sliced fresh mushrooms2 tablespoons butter2 tablespoons all-purpose flour2 cups reduced-sodium beef broth2/3 cup cubed cooked roast beef1/2 teaspoon garlic powder1/4 teaspoon paprika1/4 teaspoon pepper1/8 teaspoon saltDash hot pepper sauceShredded part-skim mozzarella cheese, optional
Preparation
In a large saucepan, saute onion and mushrooms in butter until onion is tender; remove with a slotted spoon and set aside. In a small bowl, whisk flour and broth until smooth; gradually add to the pan. Bring to a boil; cook and stir until thickened, 1-2 minutes.
Add the roast beef, garlic powder, paprika, pepper, salt, pepper sauce and onion mixture; cook and stir until heated through. Garnish with cheese if desired.