Strawberry Cookie Bars with Cream Cheese Frosting

box strawberry cake mix (try Betty Crocker or Pillsbury, Duncan Hines is larger but likely ok)

unsalted butter, very well softened

large egg

cream cheese, softened (lite okay)

unsalted butter, softened

confectioners’ sugar (sifted if it’s particularly lumpy)

vanilla extract

sprinkles, optional and