1.In A Large Resealable Plastic Bag Or Shallow Glass Dish, Combine Oil, Vinegar, Garlic, Salt And Pepper. Add Beef, Onion, Green Pepper And Mushrooms; Toss To Coat. Refrigerate For At Least 2 Hours. 2.Meanwhile, Let Dough Rise At Room Temperature For 1 Hour. Punch Dough Down And Roll Into A 14-In. Circle. Transfer To A Greased 14-In. Circle. Transfer To A Greased 14-In. Pizza Pan. Drain And Discard Marinade; Arrange Beef And Vegetables Over Crust. Bake At 375 Degrees F For 30-40 Minutes.