Directions:

1. Cream the butter and the sugar with a hand mixer until they are light and fluffy.
2. Slowly add each egg one at a time until they are well incorporated.
3. Add the vanilla yogurt and mix until all of the ingredients combine.
4. Combine the flour, baking powder, baking soda, and salt in a bowl and slowly add it to the butter and sugar using a spoon.
5. Wrap the cookie dough in plastic and allow to chill for 2 hours.
6. Pre heat the oven to 350°F. Lightly dust a clean service with the flour and roll  out the chilled cookie dough to a ¼ inch thickness. Use a 4 inch round cookie cutter to make the cookies.
7. Place cookies on a baking sheet with 1 inch space between each cookie. Bake for 5-7 minutes. Allow to cool.
8. Combine all of the ingredients for the icing and mix until smooth. The icing should be slightly thick.
9. Decorate the cookies using the icing however you like. Enjoy!!