"My mom used to make these German cookies around X-mas time every year. Awesome! They are also great year round...."
INGREDIENTS
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400 g all-purpose flour
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125 g sugar
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250 g butter (unsalted)
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1 egg
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1 egg yolk
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1/2 teaspoon vanilla
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1 lemon, grated peel
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1 egg white
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1/2 cup coarse sugar