Preheat the oven (325°F), line two baking sheets with parchment paper.
In a large bowl, mix the flour and powdered sugar together, add the softened butter and vanilla and mix it.
Place a sheet of parchment paper on your countertop and sprinkle with a little flour, then form the dough into a ball and place in the middle of the parchment paper.
Use another piece of parchment paper for the top, sprinkling a little flour on top of the dough to prevent sticking, and roll the dough to about 1/2 of an inch thick. Cut into desired shapes, place on the prepared baking sheets.
Bake in the oven for 12-15 minutes, until the bottom is slightly golden. Let cool for 10 minutes.
For the icing 1. Blend all of the ingredients together at high speed until creamy.
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