California Prunes and Sweet Potato Traybake

For a low GI, healthy breakfast or anytime snack, try a slice of this traybake from Peter Sidwell

Makes: 12 slicesPrep Time: 60 minutesCook Time: 25-30 minutes


  • 260g sweet potato
  • 250g oats
  • 5 medium eggs
  • 60g soft brown sugar
  • 20g mixed seeds
  • 300g California Prunes (chopped)
  • 80g walnuts


  1. Bake the sweet potatoes in the oven for 45 minutes or until soft in the middle. When cooked, remove from the oven and carefully cut open to allow the steam out.
  2. When the potatoes are cool, use a spoon to scoop the orange centres into a bowl and mash.
  3. Add the eggs and sugar. Whisk until smooth and there are no lumps of sweet potato.
  4. Add the oats, seeds, California Prunes and walnuts, then stir together.
  5. Transfer the mixture into a 20cm square baking tin and bake for 25-30 minutes at 170°C.
  6. When the bake has cooled cut into 12 portions.


Peter Sidwell

Peter Sidwell

California Prune Board Ambassador Peter Sidwell, is a chef, baker, TV presenter, author, and innovator of all things food related. Peter has been a chef all his working life and over the years has developed a simple, fresh and innovative way of cooking which focuses on the importance of fine ingredients and technical know-how to ensure the best results. Peter has travelled the world cooking, talking and demonstrating his approach and explaining how and why it works so well for all manner of food offerings. Peter works both with chefs, consumers, food producers and retailers to innovate, create process or refine procurement. Working from his new innovation centre in England's beautiful Lake District, Peter and his team create exciting, attractive and mouth-watering new recipes with digital content, showcasing the delicious flavour and versatility of California Prunes.