fold in
US /foʊld ɪn/
UK /foʊld ɪn/

1.
trộn nhẹ, trộn đều
to gently mix an ingredient into a mixture, especially a delicate one like whipped cream or beaten egg whites, without losing air or volume
:
•
Carefully fold in the egg whites to the batter.
Cẩn thận trộn nhẹ lòng trắng trứng vào bột.
•
Once the chocolate is melted, fold in the whipped cream.
Khi sô cô la tan chảy, trộn nhẹ kem tươi vào.