National Pastry Day is December 9th. Pastry is a name given to a large variety of baked goods which are made with ingredients such as flour, sugar, milk, butter, shortening, baking powder, and eggs. Pastry dough is rolled out thinly and then used as a base for different baked products. The more common bakery items include pies, tarts and quiches. Cheese Danish and chocolate filled croissants at the bakery.