Cauliflower Casserole

Ingredients:
1 head of cauliflower (boil until tender)
1/2 cup mayonnaise
1/2 cup sour cream
1 cup cheddar cheese
4 slices off cooked bacon (crumbled)
1/4 cup chives(divided-save 2 tablespoons for topping
 
Directions:
Mix and top with extra cheddar, bacon, chives; bake at 425 degrees for 15 minutes.