You steam it by putting it in a saucepan like when you boil condensed milk and you have to make sure the saucepan does not boil dry.
The microwave way will be much quicker though
I would think the tin you have is similar to this
It is a shame you have not got some English custard to go with it as that goes perfectly.
Yes, I have the exact Treacle can you show. Doesn't the background look just like crushed pineapple!
I'll hunt for the Devon Custard.
So you open the can and just set it in CONDENSED MILK (!) in a sauce pan and simmer it, the can says 35 minutes. You're saying the condensed milk never touches the treacle? You must have to open the can right? Because otherwise it would burst?