Circus Animal Layer Cake

granulated sugar ((2 cups))

cake flour ((3 1/2 cups))

+ 2 tsp baking powder

salt

egg whites ((about 5 large whites))

milk

vanilla extract

unsalted butter (at room temperature)

rainbow nonpareil sprinkles

pasteurized liquid egg whites ((3/4 cup))

powdered sugar ((6 cups))

salt

unsalted butter (at room temperature)

vanilla extract

Gel food coloring ((I used Americolor electric pink))

rainbow nonpareil sprinkles

frosted circus animal cookies ((about 3 cups), finely chopped)

bright pink candy melts ((1/2 cup))

heavy cream