c("Melt butter in saucepan and add sour cream slowly, stirring constantly.", "Shake  in Parmesan cheese while stirring until sauce thickens.", "Add cracked pepper to  taste.  Add optional crushed red pepper for a fiery twist.  Pour over pasta & serve immediately.", "This is enough sauce for two normal servings of pasta.", "Recipe can be doubled,  tripled, etc. depending on servings.")