Blender Sauce Noisette, also known as Hollandaise with Hazelnut Butter, is a rich and creamy sauce with a nutty twist. This sauce combines the classic flavors of a traditional hollandaise sauce with the addition of hazelnut butter, giving it a unique and delicious taste. It is perfect for drizzling over vegetables, grilled meats, or eggs Benedict. The sauce is made in a blender, making it quick and easy to prepare.