Lemon Butter Cookies

Yield: 36 Servings
Categories: Cookies
1/2cUnsalted butter; softened
1/2cSugar
1lgEgg yolk
1/2cFresh lemon juice
Grated zest of 1 lemon
3/4cPlus 2 tablespoons all-purpose flour
1pnSalt
Confectioner's sugar; for dusting
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