Ingredients
Instructions
- Preheat oven to 350°F.
- Grease a 9x9" or 7x11" baking pan.
- Combine flour, sugar, and cornstarch, mixing well.
- Slowly stir flour mixture into the melted butter, until well combined.
- Gently press dough into pan with knuckles.
- Bake for 45 minutes, or until golden brown and cooked through.
- Immediately cut into 1" squares and sprinkle with remaining sugar.
- Allow shortbread to cool before removing from pan.