peanut butter
noun /ˌpiːnʌt ˈbʌtə(r)/
/ˌpiːnʌt ˈbʌtər/
[uncountable]- a thick soft substance made from peanuts, usually eaten spread on bread
- a peanut butter sandwich
Oxford Collocations DictionaryPeanut butter is used before these nouns:- sandwich