Want to see what this recipe costs at different supermarkets? Compare in one place here:
Tip the sugar into a heavy-based frying pan, stir in 4 tbsp water, then place over a medium heat until the sugar has dissolved. Turn up the heat and bubble for 4-5 mins until you have caramel. Take off the heat, then carefully stir in the cream and butter. Leave the sauce to cool, then tip into a squeezy bottle.