1. Preheat oven to 350°F. 2. In a large bowl, using an electric mixer on medium speed, cream the butter, powdered sugar, and vanilla until light and fluffy; scrape down sides of bowl as needed. 3. Reduce mixer speed to low; gradually blend in the flour, cornstarch, and salt; blend well. Gently stir in the chocolate chips. 4. Pat dough into an ungreased 15x10x1" jelly-roll pan; sprinkle with sugar. 5. Bake 15-20 minutes, or until edges are pale golden. Immediately cut into strips, diamonds, or squares; remove from pan when cool. 6. Store airtight. ---------------------------------------------------------------------------
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Ingredients