To make a chilled cream of vegetable soup cheese recipe, first you'll need to prepare the ingredients. First, you will need the following ingredients: Cream of Vegetable Soup Cheese (Cheddar Cheese) 1 1/2 tbsp. kosher salt 1 cup (240 ml) water 1 pound (450 g) frozen peas (optional) Instructions Preheat the oven to 375 ?F (191 oC) and line an 8x8x2-inch baking pan with foil. Set aside. Melt the butter over medium-low heat. Add the onion and cook until softened, about 5 minutes. Stir in the cheese. Cook, stirring frequently, until melted and bubbly, 2 to 3 minutes more. Remove the pan from the heat and add the sour cream. Simmer, whisking constantly, for 1 to 2 minutes, or until thickened. Pour the mixture into the prepared baking dish. Bake for 30 to 35 minutes until heated through. Allow to cool before serving.