Add cream, sugar, butter & sea salt to a saucepan. Heat over medium low heat until the mixture starts to simmer.
Gently mix the mixture together with a wooden spoon until the sugar has incorporated.
Add the cinnamon stick, star anise and clove.
Gently simmer the sauce for 5 minutes, mixing occasionally. Turn of the heat and wrap the top of the pan in cling film. Leave to infuse for 45 minutes.
Pass the mixture through a fine sieve into your container.
Reheat back in the sauce pan. Reduce to your desired consistency and serve.