key lime meltaways

Ingredients in this Recipe

1 3/4 cup plus 2 Tablespoons all purpose flour (a.k.a. 2 cups minus 2 tablespoons)
1 cup confectioners’ sugar
1 tablespoon pure vanilla extract
1/4 teaspoon salt
12 tablespoons (1 1/2 sticks) unsalted butter, room temperature
2 tablespoons cornstarch
2 tablespoons freshly squeezed lime juice
Grated zest of 4 tiny or 2 large key limes