ベアルネーズソースMeanings1nounBéarnaise saucefood / cookingA classic French sauce made from clarified butter, egg yolks, white wine vinegar, and herbs, especially tarragon. Used in cooking contexts.ステーキにベアルネーズソースをかけると、とても美味おいしい。It's delicious when you put Béarnaise sauce on steak.