Leftover Roast Beef Stroganoff from Food.com: If you have left over cooked roast and don't know what to do with it, here is a nice little recipe I found in Taste of Home. I like to add a few tablespoons of sour cream just before serving, but it is up to you.
Beef StroganoffIngredients: •2 Tbsp. butter •1/2 cup diced onions •8 oz. sliced mushrooms •2 Tbsp. flour •1-1/2 cups beef broth •1 10.75 oz. can condensed cream of mushroom soup •2 Tbsp. sour cream •kosher salt and freshly-ground black pepper, to taste •2 cups shredded cooked leftover roast beef, pot roast, beef brisket or deli roast beef