Instructions: Preheat oven to 350 degrees. Cut butter into 1/2-inch pieces.

In a food processor, process all ingredients until mixture begins to form small lumps. Sprinkle mixture into a 13- by 9- by 2-inch baking pan with a metal spatula, pressing evenly onto bottom.

Bake shortbread in middle of oven until golden, about 20 minutes.

This recipe yields 1 shortbread base.

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