butterscotch

詳細解釋：

but.ter.scotch

n.（名詞）
A syrup, sauce, candy, or flavoring made by melting butter, brown sugar, and sometimes artificial flavorings.
奶油膏，奶油沙司，奶油硬糖：由融化的奶油、黃糖，有時還有香精混合熬制的糖漿、沙司、糖塊或調味品

來源：
Alteration of butterscot
butterscot的變化
butter
butter
scot
scot
[of unknown origin]
[語源不詳]