Answer:
I'm a food made of flour, water, and yeast or another leavening agent, mixed together and baked. You need me to make a sandwich.
This baked dish consists of an open-topped pastry case with a savory or sweet filling.
A toasty and crunchy cereal would be pointless without this spice.
Alight or in dark, my face is a leer. In a field with my brothers, you’ll find me without bother, For that autumn day is mine.
What can break when we touch it
I’m grown from darkness but shine with a pale light. Very round I am and always a lady's delight.