Hollandaise sauce is a traditional French sauce usually made from clarified butter and egg yolks. It is a rich and creamy sauce that is often served over vegetables, fish, and eggs. However, if you're looking to add some variety to your dishes, there are plenty of alternative sauces you can use. Some of the synonyms for Hollandaise sauce include lemon butter sauce, bearnaise sauce, and Dijon mustard sauce. The lemon butter sauce is made from melted butter, lemon juice, and garlic and is perfect for seafood. The bearnaise sauce is a variation of Hollandaise sauce that includes tarragon, shallots, and white wine vinegar. Finally, the Dijon mustard sauce is a tangy and flavorful sauce that is perfect for grilled meats.