A supersized chewy vanilla cookie filled with plenty of festive sprinkles and white chocolate chips and topped with frosting and more sprinkles. This cookie cake is what birthday dreams are made of.
optional: additional sprinkles/nonpareils and buttercream for top
Instructions
Preheat oven to 350°F and grease your pan. A 12-inch tart pan, a 9x13-inch pan, or 2 pie pans will work.)
Cream together butter and sugar until light and fluffy.
Beat in the eggs, one at a time, until well mixed. Stir in vanilla.
In a mixing bowl, combine the flour, salt, baking powder, baking soda, and corn starch. Add the dry ingredients to the butter mixture and stir until just combined.
Fold in the white chips and jimmies, then press the dough into the prepared pan(s). Sprinkle additional jimmies or nonpareils on top if desired.
Bake for about 25 minutes or until the edges are slightly golden and the center is set.
Cool completely before removing from pan. Pipe a buttercream border on if desired and top with more sprinkles!