1 1/2 cups flour 1 tbsp cornstarch 1/2 tsp baking powder 1/4 tsp baking soda 1/4 tsp salt 1/2 cup butter 1/2 cup sugar 1 large egg 2 tsp vanilla
Cream together the butter and sugar. Add in the egg and vanilla and mix until combined.
Press dough into prepared pan and bake at 350 for 20 to 25 minutes.
Un a large bowl cream together butter, cream cheese, powdered sugar, vanilla, and cream with chosen food color.
Frost the cookie bars then top with sprinkles and slice to serve. Refrigerate leftovers for up to 1 week.