"These easy, buttery, melt in your mouth shortbread cookies with mini chocolate chips are crumbly, rich and bursting with flavor!..."
INGREDIENTS
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1 cup unsalted butter
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2/3 cup powdered sugar
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1 teaspoon vanilla
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1 egg yolk
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2 1/4 cup flour
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1/4 teaspoon salt
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3/4 cup mini chocolate chips