Roasted Potato & Red Onion Soup

Roasting the vegetables before making into soup creates a more intense flavour. This is potato soup like you’ve never tasted before, delicious served with crusty bread or oatcakes.


  • 1kg potatoes, peeled & cut into big chunks
  • 2 large red onions, peeled & cut into big chunks
  • 2 tbsp Olive oil, Salt & Pepper
  • 1 litre hot vegetable stock
  • 300 mls milk
  • a few fresh sage leaves, or a teaspoon dried sage
  • a little Parmesan Cheese
  • a few extra sage leaves (optional)

Follow these steps

  • Pre-heat the oven to 200degC.
  • Place the chunks of potato & red onion into a large roasting tin – drizzle over the olive oil. Season with salt & pepper. Place in the pre-heated oven for about 15 minutes then remove and turn the vegetables to ensure even cooking, Scatter over the sage leaves then return to the oven for a further 15 minutes or until the potatoes are tender and starting to brown.
  • Remove from the oven and tip the contents of the roasting tin into a large saucepan.
  • Add the hot stock to the pan then bring to the boil and simmer gently for 15 minutes. Liquidise in batches or blend in the pan to a smooth consistency using a stick blender. Stir in the milk and bring back to a gentle simmer. Check the seasoning.
  • Serve in warmed bowls with a little parmesan cheese and/or extra sage leaves sprinkled over.
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