Pastry ring, 19 cm in diameter, wrap with parchment paper, and then foil. Put half of the crumbs in a pastry ring, or split form. And quite tightly tamp the bottom of the glass. Then put the remaining crumbs on the sides and form the sides with a glass. Put the prepared base in the refrigerator for 5-10 minutes, and then for 10 minutes preheated to 180-200°The size of an oven.