Answer:
Before crust hardens.
I'm a pie, but I come with peperoni and cheese
This is a Japanese food consisting of cooked vinegared rice sushi-meshi combined with other ingredients, usually raw fish or other seafood.
The sun bakes them, The hand breaks them, The foot treads on them, And the mouth tastes them. What are they?
What can break when we touch it
What is full of holes but still holds water?