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Shortbread
Ingredients
4 cups all-purpose flour
1 cup packed light brown sugar
1 pound [4 sticks] unsalted butter, softened

Method
Heat oven to 325
Beat all ingredients in large bowl of electric mixer on medium-high speed until smooth, about 4 minutes. Divide dough into 4 pieces. Roll out 1 piece of dough at a time on lightly floured surface,  to 1/16 – 1/8 inch thickness. Cut dough out with cookie cutters. Bake cookies on ungreased baking sheets until pale brown and slightly firm to the touch, 8-10 minutes. Remove to cooling racks. Decorate as desired.