INGREDIENTS
1 1/2 cups
Blackberries, fresh or frozen
1 tbsp
Lime
1
Egg white, large
2
Eggs, large
1/2 tbsp
Baking powder
1 1/2 cups
Cake flour
1
Frosting
1 cup
Powdered (confectioner's) sugar
1/4 tsp
Salt
1 cup
Sugar
1
Vanilla bean
1 tsp
Vanilla extract
1
Cake
4 oz
Butter, unsalted
8 oz
Cream cheese
2 tbsp
Milk
3 tbsp
Sour cream
16 ounces (2 liquid cups) heavy whipping cream