Tune into Cook-In with Mark Moriarty on Wednesdays on RTÉ One at 8:30pm.


Serves 6

  • 200g plain flour
  • 40g peanut butter
  • 80g butter
  • 75g light brown sugar
  • 2 medium eggs, lightly beaten
  • 3 ripe bananas
  • 1 tsp baking powder
  • ½ level tsp salt
  • 100g blueberries or other berry


  • 100 ml honey
  • 2 tsp cornflour
  • 100ml lemon juice


  1. Preheat oven to 190c
  2. With an electric mixer, cream the peanut butter, butter and sugar together until pale
  3. Add the banana and mix well.
  4. In a large bowl mix the flour, salt and baking powder together.
  5. Add ½ the eggs and ½ the flour mix to the creamed mixture, lightly mix through and then repeat with remaining eggs and flour.
  6. Finish by folding in the blueberries
  7. Tip into to a parchment-lined large loaf tin and bake for 50mins until hollow to tap
  8. Warm the honey, cornflour and lemon juice together and brush onto the loaf while it is still warm to glaze, slice and serve.