hollandaise sauce
noun /ˌhɒləndeɪz ˈsɔːs/
  /ˌhɑːləndeɪz ˈsɔːs/
 (also hollandaise)
 [uncountable]- a sauce made with butter, egg yolks (= yellow parts) and vinegarTopics Foodc2Word OriginFrench hollandaise, feminine of hollandais ‘Dutch’, from Hollande ‘Holland’.