Ingredients

1 medium head cauliflower, broken into florets (about 7-1/2 cups)1 medium bunch broccoli, cut into florets (about 4 cups)2 cups seedless red grapes6 green onions with tops, sliced2 cups shredded part-skim mozzarella cheese2 cups mayonnaise1/4 cup grated Parmesan cheese2 tablespoons sugar2 tablespoons white vinegar1/2 to 1 pound sliced bacon, cooked and crumbledLeaf lettuce, optional

Preparation

In a large bowl, combine the cauliflower, broccoli, grapes, onions and mozzarella cheese. Combine the mayonnaise, Parmesan cheese, sugar and vinegar; pour over vegetable mixture and toss to coat.

Cover and refrigerate for at least 2 hours. Just before serving, stir in bacon. If desired, line serving bowl with lettuce leaves; transfer salad to serving bowl. If desired, garnish with additional grapes.