
3 pounds red-skin potatoes, unpeeled, scrubbed and cut into 2-inch pieces
½ cup unsalted butter, cut into small pieces
1 cup whipping cream
½ cup sour cream
1 teaspoon kosher salt
½ teaspoon black pepper
½ cup crumbled, crisp-cooked bacon (about 6 slices), plus more for garnish
¼ cup snipped fresh chives, plus more for garnish