The phrase "cup confectioners" refers to the measurement of a specific type of sugar called confectioner's sugar. It means that you need to use a measuring cup to get the right amount of this sugar for a recipe or a dish.
Filling: 1/2 cup shortening (or room temperature unsalted butter) 2 1/2 -3 cups confectioner's sugar pinch of Kosher or sea salt 2 teaspoons pure vanilla extract 1 - 2 tablespoons heavy cream (e2bakesbrooklyn.com)
flour, plus more for pans 1/2 vanilla bean, seeds scraped and reserved1 1/4 cups blanched almonds, toasted4 cups confectioners» sugar, sifted1 1/4 tsp. (pearltrees.com)
1 cups all - purpose flour 2 SkinnyFit ZzzTox tea bags (take tea out of bags) 1/4 teaspoon salt 6 Tbs cup confectioners» sugar 1/2 teaspoon pure vanilla extract 1/2 cup (1 stick) butter, room temperature (skinnyfit.com)