INGREDIENTS
1/2 cup
unsalted butter (softened)
1 cup
granulated sugar
2
eggs
1 1/2 cups
all-purpose flour
1 1/2 tsp
baking powder
1/2 tsp
baking soda
1/2 tsp
salt
1/2 cup
milk
2 tsp
vanilla extract
1/2 cup
blackberry puree
1/2 cup
unsalted butter (softened)
3 cups
confectioners' sugar
1 tsp
vanilla extract
1/4 cup
blackberry puree