For chocolate Sauce:
In a microwave safe bowl,combine all the sauce ingrediants given and melt it for 1 min.If you want,you can squeeze in a little bit of the pineapple juice in to it.Thats it So easy..
Peel the tough skin of the pineapple and slice them in to Rounds.
In a bowl mix together Sugar and cinnamon powder and keep aside.
In a frying pan,melt some butter..Dip the Pineapple slices in the sugar mixture and place it on heat.
Dont flip it often.let it go for some 2 min Then turn the other side.After both sides are nicely coloured,take it of the heat.
Serve with chocolate Sauce.