melt in your mouth
US /mɛlt ɪn jʊər maʊθ/
UK /mɛlt ɪn jʊər maʊθ/

1.
derreter na boca, muito macio
describes food that is so tender, soft, or delicious that it seems to dissolve easily when eaten
:
•
The chocolate cake was so rich and moist, it just melted in your mouth.
O bolo de chocolate era tão rico e úmido, que simplesmente derretia na boca.
•
The steak was cooked to perfection, so tender it would melt in your mouth.
O bife estava cozido na perfeição, tão tenro que derreteria na boca.