YOU SAID:

that buttered my muffins

INTO JAPANESE

私のマフィンにバターを塗った

BACK INTO ENGLISH

Butter my muffins.

INTO JAPANESE

マフィンをバターで

BACK INTO ENGLISH

Muffins with butter

INTO JAPANESE

マフィンとバター

BACK INTO ENGLISH

Muffins and butter

INTO JAPANESE

マフィンとバター

BACK INTO ENGLISH

Muffins and butter