Collins Chinese Dictionary Plus (3rd edition), 2011:
macaroni [mækəˈrəunɪ]
n
[u]
通心粉 tōngxīnfěn
- macaroni cheese or macaroni and cheese
(US) 干(乾)酪通心粉布丁 gānlào tōngxīnfěn bùdīng