INGREDIENTS
For the Cookies
1 cup
sugar
1 cup
packed powdered sugar
2
eggs
1 tsp
vanilla
1 cup
butter, softened
1 cup
canola oil
1 tsp
baking soda
1 tsp
cream of tartar
salt
4 1/2 cups
flour
For the Buttercream Frosting
1 cup
butter (2 sticks), softened
3 cups
confectioners sugar; lighten up by whisking in a bowl, not sifting
1/2 tsp
salt
1 tbsp
vanilla extract
3 tbsp
milk or heavy cream