Heat oil in a heavy nonstick skillet over medium high heat. Stir-fry beef 2-3 minutes, or until no longer pink. Crumble ramen noodles and add to pan. Stir in contents of flavor packet, frozen vegetables, mushrooms and water. Bring to a boil. Reduce heat to low, cover pan and simmer 5-7 minutes, or until vegetables are crisp-tender, stirring occasionally. |