Berry Vanilla Ice Cream Cake

INGREDIENTS

2 cups

cake flour

2 tsp

baking powder

1/4

tsp. salt

vanilla bean, split lengthwise

11 tbsp

unsalted butter, at room temperature

1 1/3 cups

sugar

large eggs plus 1 large egg yolk, at room temperature

3/4

cup plus 2 tbsp. buttermilk, at room temperature

2 tsp

vanilla extract

1 cup

blueberries

3 tbsp

sugar

1 1/4

tsp. cornstarch

2 tsp

cold water

2 tsp

freshly squeezed lemon juice

4 oz

strawberries, hulled, rinsed and coarsely chopped

1 1/2

tbsp. sugar

1 tsp

freshly squeezed lemon juice

2 1/2 cups

vanilla bean ice cream, slightly softened (homemade or store-bought)

2 cups

heavy cream

1/2

cup confectioners’ sugar

1 tsp

vanilla extract

Fresh strawberries and blueberries, for garnish