Copycat Olive Garden Lemon Cream Cake

INGREDIENTS

FOR WHITE CAKE:

1 cup

whole milk, room temperature

large egg whites, room temperature

2 tsp

vanilla extract

2 1/4 cups

cake flour

1 3/4 cups

granulated sugar

4 tsp

baking powder

1 tsp

salt

12 tbsp

unsalted butter cut into 24 pieces, softened but still cool

FOR CRUMB TOPPING:

1/2 cup

+ 1 Tablespoon all-purpose flour

1/2 cup

+ 2 Tablespoons powdered sugar

1/2 tbsp

finely grated lemon zest

4 tbsp

butter cut into 8 pieces, softened

1/2 tsp

vanilla extract

FOR FILLING:

1 cup

heavy cream

8 oz

container mascarpone cheese, softened

2 cups

powdered sugar

3 tbsp

lemon juice

1/2 tbsp

finely grated lemon zest

FOR GARNISH:

Sifted powdered sugar