The secret to this tasty recipe is letting the onions take their time as you saute them - slow cooking them for about half an hour gives the best flavour.
Serves 4 as a light lunch
6 small to large onions 50g butter 200g puff pastry 120g Taleggio or similar semi-soft cheese Heaped tablespoon of thyme leaves
Achieving the perfect results
The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.