Made with tender sirloin steak, fresh mushrooms and a creamy white-wine sauce served over egg noodles. This classic dish is easy to make and tastes great when you start with fresh ingredients and add a few touches like white wine and sour cream for added flavor. This dish will not disappoint! You can also use chuck roast, thinly sliced. You'll love how easy this meal is to make! Greek yogurt can be used in place of sour cream to lighten the creamy sauce and add tang.