Potato Rings with Homemade Buttermilk Ranch Dipping Sauce Ingredients 3 large russet potatoes, cleaned peeled and chopped into large pieces 1/3 cup plus 2 tablespoons heavy cream ¼ cup unsalted butter (½ stick), softened ½ cup caramelized yellow onions, chopped 3 tablespoons chives, thinly sliced 2/3 cup all purpose flour 1/3 cup rice flour