1 c. mayonnaise
1/2 c. sour cream
1 sm. onion, chopped (or 1 tbsp. dry minced onion)
1 (0.7 oz.) envelope Italian salad dressing mix
2 tbsp. minced parsley
1 1/2 lb. fresh broccoli, cut into flowerets
1 head cauliflower, cut into flowerets
1 c. (4 oz.) shredded Mozzarella cheese

Combine first 5 ingredients; stir well. Combine vegetables and cheese; toss. Add mayonnaise mixture; toss. Chill 3 to 4 hours or overnight. Yield: 12 to 14 servings.