AMISH SUGAR COOKIES
1/2 cup salted butter, softened
1/2 cup vegetable oil
1/2 cup sugar
1/2 cup powdered sugar
1 teaspoon vanilla paste or extract
1 egg
2 1/4 cups all-purpose flour
3/4 teaspoon baking soda
1/2 teaspoon cream of tartar
Preheat the oven to 365° Fahrenheit.
In a large bowl or stand mixer, beat the butter, oil, sugar and powdered sugar together until light and fluffy. Add the vanilla and and egg. Beat to combine.
In a separate bowl, sift the flour, baking soda and cream of tartar. Add half of the flour mixture to the butter mixture, and fold it to combine the ingredients. Add the remaining flour mixture and fold until completely smooth.
Line a baking sheet with parchment paper. Place teaspoons of the dough about an inch apart on the sheet. Bake for 10 minutes, or until the dough is lightly browned and no longer shiny on top. Transfer the cookies to a wire rack to cool.