Hollandaise sauce has a rich, creamy, and buttery flavor with a subtle tanginess from the addition of lemon juice. It has a smooth and velvety texture, making it luxurious and indulgent. The sauce is often seasoned with a hint of salt and cayenne pepper, adding depth and a subtle kick to its flavor profile. Overall, Hollandaise sauce is decadent, savory, and slightly acidic, making it the perfect complement to dishes like Eggs Benedict, vegetables, or seafood.