also: カルメル
honeycomb toffee; sponge toffee
A Japanese foam candy made by heating brown sugar with baking soda, creating a light, crunchy texture. The name comes from Portuguese 'caramelo'.
from Portuguese caramelo
縁日でカルメラを買った。
I bought honeycomb toffee at the festival.
Honeycomb toffee is crispy and sweet.
I made honeycomb toffee using baking soda and sugar.
When I added the baking soda, the toffee puffed up quickly.