Cake Decorating Rectangle Dhape

For the cookies 1 cup unsalted butter, room temperature 6 oz full fat cream cheese, room temperature 1.5 cups cane sugar 4 tbsp Greek yogurt, room temperature 2 tsp vanilla extract 1/2 tsp salt 1/2 tsp baking powder 1/2 tsp cream of tartar 3.5 cups all-purpose flour, spooned and leveled, p