Party Angel Food Cake

and 3/4 cups (350g) granulated sugar

+ 2 Tablespoons (130g) cake flour (measured correctly)

salt

large egg whites (room temperature)*

and 1/2 teaspoons cream of tartar

and 1/2 teaspoons vanilla extract

rainbow sprinkles*

semi-sweet chocolate, coarsely chopped*

heavy cream

chopped hazelnuts, such as Diamond of California hazelnuts

rainbow sprinkles

-inch angel food cake pan (aka tube pan)*