This fluffy angel food cake is a big party! It has rainbow sprinkles, crunchy hazelnuts, and a smooth chocolate ganache.
– Cake – 1 and 3/4 cups (350g) granulated sugar – 1 cup + 2 Tablespoons (133g) cake flour (spooned & leveled) – 1/4 teaspoon salt – 12 large egg whites (room temperature) – 1 and 1/2 teaspoons cream of tartar – 1 and 1/2 teaspoons pure vanilla extract – 2/3 cup (127g) rainbow sprinkles* – Ganache + Topping – 8 ounces (226g) semi-sweet chocolate, coarsely chopped – 1 cup (240ml) heavy cream – 1/2 cup (75g) chopped hazelnut – Rainbow sprinkle