In a separate bowl whisk flour and baking soda. Beat into mixture alternating in 3 additions each. Published May 30, 2017 at 1000 × 750 in Buttermilk Pound Cake ← Previous Next → In a separate bowl whisk flour and baking soda. Beat into mixture alternating in 3 additions each. In a separate bowl whisk flour and baking soda. Beat into mixture alternating in 3 additions each.