2 tbsp. vegetable oil
2 med. onions, sliced
4 med. zucchini, sliced
2 lg. tomatoes, cut into wedges
1 (4 oz.) can sliced mushrooms, drained
1/2 tsp. salt
1/4 tsp. pepper

Pour oil into wok or large skillet. Stir-fry over high heat (350 degrees) for 6 to 8 minutes. Cover, reduce heat and simmer 5 minutes.