Steam one head of Cauliflower until tender. Mash cauliflower as you would potatoes. 2.Stir in salt, pepper, chopped garlic, chopped chives, sour cream, butter and grated cheese. 3.Mix well. 4.Pour into a greased casserole dish, baked uncovered til top is bubbly and slightly brown. OH MY GOSH! delicious! tastes better than loaded mashed potatoes!