Remove the paper label from can and scrape off as much of the remaining glue as possible. Using the edge of a knife makes this easier.
Do NOT puncture or pierce the tin before or during cooking.
Put tin in a pan and cover with water.
Bring to the boil and simmer for 3-4 hours. Remember to keep topping up the water.
When cold, pour contents into an airtight container and store in the fridge.
This makes a deliciously tasty filling for sponge sandwiches, or to spread on top of cakes and buns.