Triple Berry Cupcakes

INGREDIENTS

For the Triple Berry Cupcakes:

2 sticks

unsalted butter, very soft

1 tbsp

vanilla

2 cups

granulated sugar

large eggs, at room temperature

1 cup

full-fat sour cream

1/2 cup

whole milk

and 1/4 cups PLUS 2 tablespoons cake flour, divided

and 1/2 teaspoons baking powder

1/2 tsp

baking soda

3/4 tsp

salt

2/3 cup

fresh blueberries

2/3 cup

fresh blackberries (if you have any huge blackberries, cut them in half)

2/3 cup

fresh raspberries

For the Triple Berry Frosting:

1/3 cup

fresh blueberries (frozen will also work; do not thaw first)

1/3 cup

fresh raspberries (frozen will also work; do not thaw first)

1/3 cup

fresh blackberries (frozen will also work; do not thaw first)

and 1/2 tablespoons fresh lime juice

2 sticks

unsalted butter, VERY soft

1/2 tsp

salt

and 1/2 cups confectioners sugar (more only if needed), sifted

Fresh berries, for decorating (optional)