To prepare a cream of cauliflower and stilton soup recipe, you will first need to prepare your ingredients. You will need: Cream of Cauliflower 1 tablespoon styrofoam 1 teaspoon kosher salt 2 tablespoons butter 2 teaspoons melted tarragon 2 cups water Instructions Preheat the oven to 400 degrees F. Peel and cut the cauliflower into 1 inch cubes. Place the cubed cauliflower in the bottom of an 8 x 8-inch baking dish. Pour the cream mixture into the casserole dish and stir to combine. Add the chopped celery, carrots, potatoes, and salt and pepper to taste. Cover the dish with cling wrap and refrigerate until you are ready to serve the soup.