Buttermilk Herbed Mashed Potatoes

INGREDIENTS

1 1/2

lbs red potatoes, skins on and washed

3/4 cup

buttermilk

1/2 tbsp

fresh rosemary, removed from stems and minced

1 tbsp

fresh thyme, removed from stems and minced

1 1/2 tbsp

fresh parsley, finely chopped

1/4 cup

light sour cream

1/4 cup

butter

1/2 tbsp

kosher salt, plus more to taste

freshly ground pepper,