Sand Tarts

• ½ pound (2 sticks) unsalted butter
• 2½ cups sugar

Cream the butter and 2 cups sugar. Beat the eggs to a froth and combine with the sugar mixture. Add the lemon and cinnamon. Sift in the flour and work into a soft dough. Roll up in a ball, cover, and ripen in the refrigerator 2 to 3 hours.

Preheat the oven to s