1/2 head lettuce, shredded
2 c. chopped tomatoes
2 c. sliced mushrooms
1 (10 oz.) pkg. frozen peas, thawed and drained
1 c. shredded cheddar cheese
1 c. red onion rings
2 c. Miracle Whip spread across top of onions to sides of salad bowl

Layer in large salad bowl. Chill several hours. 8 servings.