Potato, celeriac and caramelised red onion pies

Potato, celeriac and caramelised red onion pies

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Preparation time
over 2 hours

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Cooking time
1 to 2 hours

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Serves
Serves 2

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Dietary
Vegetarian

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By Matt Tebbutt
From Saturday Kitchen[row]

Ingredients

For the pies

  • 1 tbsp olive oil
  • 25g/1oz unsalted butter
  • 2 red onions, thinly sliced
  • 50ml/2fl oz balsamic vinegar
  • 1 potato, peeled and thinly sliced
  • 2 garlic cloves, thinly sliced
  • 1 tsp fennel seeds, toasted and crushed
  • 1 tsp tarragon, chopped
  • ½ celeriac, peeled and thinly sliced
  • 1 x 320g sheet puff pastry
  • 1 tbsp date syrup, to glaze
  • 2 tbsp oat milk, to glaze
  • salt and freshly ground black pepper
  • 1 bunch watercress, to serve

For the miso stock

  • 2 tbsp miso paste
  • 400ml/14fl oz hot vegetable stock