Cream butter in a large mixing bowl; gradually add sugar, beating until light and fluffy. Gradually add flour, beating until thoroughly blended.
Press mixture into a 15- x 10- x 1-inch jellyroll pan; prick surface with tines of a fork. Bake at 300° for 50 minutes or until lightly browned. Cool completely in pan. Cut into 2-inch squares.
Oxmoor House Homestyle Recipes
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