Shortcut Sugar Cookies

Ingredients

• 1 cup softened butter
• 1 cup oil
• 1 cup sugar
• 1 cup powdered sugar
• 2 eggs
• 1 teaspoon vanilla
• 4 ½ cups flour
• 1 teaspoon baking soda
• 1 teaspoon cream of tartar
• 1/2 cup softened butter
• ½ cup shortening
• 4 cups powdered sugar
• 3 tablespoons milk
• 1 tablespoon vanilla