Delicious Shortbread Cookies That Melt in Your Mouth

List of items needed:

– 1 cup (225g) of soft unsalted butter
– 1/2 cup (60g) of powdered sugar
– 1 teaspoon of vanilla extract (if desired, for more flavor)
– 1 and 3/4 cups of all-purpose flour, which is equal to 220 grams.

– 1/4 cup (30g) of cornstarch
– 1/4 teaspoon of salt

Directions:

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