White Zucchini Cake

INGREDIENTS

1/2 cup

(1 stick, 113g) unsalted butter (room temperature )

2/3 cup

granulated sugar

1/2 tsp

vanilla extract

large egg whites (room temperature)

2 cups

all purpose flour (sifted)

2 tbsp

cornstarch

3 tsp

baking powder

1/4 tsp

salt

2/3 cup

whole milk

1 cup

finely shredded zucchini

1/2 cup

(1 stick, 113g) unsalted butter (room temperature)

1/4 cup

cocoa powder

2 cups

powdered sugar

1 tsp

vanilla

2 tbsp

heavy cream

table salt