Difference between Pastry and Cookie

What is the difference between Pastry and Cookie?

Pastry as a noun is a baked food group which contains items made from flour and fat pastes such as pie crust; also tarts, bear claws, napoleons, puff pastries, etc. while Cookie as a noun is a small flat, baked cake which is either crisp or soft but firm (often with chocolate chips, candies or nuts mixed in.)

We hope you now know whether to use Pastry or Cookie in your sentence.