Fluffy White Cake with Vanilla Buttercream Frosting

INGREDIENTS

large egg whites (90 grams), at room temperature

2/3 cup

milk

2 tsp

vanilla bean paste or pure vanilla extract

2 cups

sifted cake flour

1 cup

sugar

1 tbsp

baking powder

1/2 tsp

salt

8 tbsp

or 113 grams) unsalted butter, cut into pieces, at room temperature

3 1/2 sticks

or 396 grams) unsalted butter, at room temperature

2 1/2 cups

powdered sugar, sifted

1 pinch

salt

2 tsp

pure vanilla extract

3 tbsp

(15-20 ml) heavy cream (or milk)

food coloring of your choice (optional)