FLOUR provides the structure
To give the pastry substance and body.
soul cakes
Fat and taste i think
make the cake rise
it puffs the product
it helps the ingredients to stick together
it controls the flower
it is a male part in the flower
It protects the flower bud.
it is a male part in the flower
There is no standard collective noun for a group of pastry chefs. Since collective nouns are an informal part of language, any noun that suits the situation can function as a collective noun; for example a shift of pastry chefs, a crew of pastry chefs, a pride of pastry chefs, etc.
It is just there for flavor, it has no effect on the flakiness.