Speedy Slow Cooker Stroganoff PT255M https://img4.recipesrun.com/201907/2019/0927/35/8/783069/300x200x90.png This extra-easy recipe for beef stroganoff uses leftover roast beef, onion soup mix, mushrooms, cream of mushroom soup and sour cream. The stroganoff is an excellent way to use leftover roast beef. Feel free to use leftover pork loin roast in the recipe. Make this easy beef recipe for your family and friends! It's real flavourful! 4 servings Ingredients: pepper Salt 2 tbsp. sour cream, if desired 3/4 cup cream 4 oz. sliced mushrooms 1 tbsp. beefy onion soup 1 can cream of mushroom soup 3 cups diced leftover roast beef