陆 celeriac, peeled and thinly sliced
2 garlic cloves, thinly sliced
1 potato, peeled and thinly sliced
2 red onions, thinly sliced
1 tsp tarragon, chopped
1 bunch watercress, to serve
1 tbsp date syrup, to glaze
50ml/2fl oz balsamic vinegar
salt and freshly ground black pepper
1 tsp fennel seeds, toasted and crushed
1 tbsp olive oil
400ml/14fl oz hot vegetable stock
2 tbsp miso paste
25g/1oz unsalted butter
1 x 320g sheet puff pastry
2 tbsp oat milk, to glaze