Cauliflower Au Gratin
["2 medium heads cauliflower", "2 c. sour cream", "2 c. grated sharp processed American cheese", "2 tsp. toasted sesame seed", "salt and white pepper"]
["Wash cauliflower; break into flowerets.", "Cook, covered, in a small amount of boiling water until tender, 10 to 15 minutes; drain well.", "Place half the flowerets in a 2-quart casserole; season with salt and pepper.", "Spread with 1 cup sour cream and 1 cup cheese; top with 1 teaspoon sesame seed and repeat layers. Bake in 350\u00b0 oven until cheese melts and sour cream is heated through."]
["cauliflower", "sour cream", "American cheese", "salt"]