Frosted sugar cookies

Each year for Easter, we make frosted sugar cookies. I usually use my Mom's recipe, but decided to try another this year. They are terrific! The recipe was from Adamswife on the WC food board. Her blog is adamswife.blogspot.com
Thanks Carrie!

Frosted Sugar Cookies
3/4 c. margarine
1 c. sugar
1 t. vanilla
2 eggs
2 1/2 c. flour
1 t. salt
1 t. baking powder

Cream margarine and sugar. Add vanilla and egg. Add dry ingredients. Chill overnight. Roll 1/4" thick. Bake at 400 degrees for 8-10 minutes (Our oven is hot, so they only took 5 minutes in our oven)

Frosting
1 t. vanilla
1 stick butter
4 c. confectioner's sugar
1 T. Milk (I added an additional 1T.)