Which ingredient provides a creamy texture in Gorgonzola Steak Pasta?

Blue cheese is the correct choice for providing a creamy texture in Gorgonzola Steak Pasta because it is the primary component in Gorgonzola cheese, which is a type of blue cheese known for its rich, creamy consistency and distinct flavor. When melted or incorporated into dishes, blue cheese creates a luscious and smooth texture that is perfect for pasta sauces.

The other ingredients listed, while they do offer unique flavors and textures, do not fulfill the same creamy role in this particular dish. Parmesan is drier and more crumbly, contributing more as a seasoning than a creamy element. Ricotta, although creamy, is typically used in other pasta dishes and lacks the strong flavor profile of Gorgonzola. Cream cheese, while it does provide a creamy texture, is not an authentic ingredient in traditional Gorgonzola pasta, as it alters the characteristic taste of the dish. Thus, blue cheese is the most suitable ingredient for achieving that creamy texture essential to Gorgonzola Steak Pasta.