Orange Party Cake with Whipped Orange Frosting

INGREDIENTS

whole eggs, room temperature

egg yolks, room temperature

1 cup

whole milk, at room temperature

1/4 cup

freshly squeezed orange juice, strained (I like Valencia oranges)

3 cups

cake flour, sifted

2 cups

sugar

1 tbsp

plus 1 teaspoon (19 g) baking powder

1/2 tsp

salt

3/4 cup

unsalted butter, cold and cut into small even pieces

Zest from 2 medium oranges

2 tbsp

cold water

2 tsp

unflavoured gelatin (such as Knox brand)

2 cups

whipping cream (35-37% fat), cold

1/4 cup

icing/confectioners' sugar

1 tsp

pure vanilla extract

Zest from 1 medium orange

salt

1 cup

unsalted butter, softened and cut into cubes

4 1/2 cups

confectioners’ sugar, sifted

1/4 cup

whipping cream (35% heavy cream)

1/4 cup

freshly squeezed orange juice, strained

salt