"These key lime pie cookies are the perfect little treat to enjoy at the end of summer! They are buttery and full of yummy citrus flavor...."
INGREDIENTS
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2 cups all-purpose flour
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1 cup powdered sugar
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½ cup cornstarch ((or arrowroot starch))
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¾ tsp salt
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4 tsp key lime zest
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1 cup unsalted butter, cut into pieces and chilled ((two sticks))
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2 large egg yolks
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1 tsp vanilla extract
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2 tbsp fresh or bottled key lime juice
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3 oz. chopped white chocolate ((melted))