Instructions

  1. Preheat oven to 375°F (190°C).
  2. Grease muffin cups.
  3. Stir together flour, baking powder, baking soda and salt.
  4. Separately cream butter and sugar until light and fluffy.
  5. Beat in eggs, and stir in bananas, buttermilk and vanilla.
  6. Add dry ingredients and stir to combine.
  7. Add walnuts and stir.
  8. Pour into muffin cups.
  9. Bake 25-30 minutes.
  10. Cool for 5 minutes before eating.