Best Yule log (to buy)

[hermioneweasley]

I like a store bought slightly trashy Yule log, but I do want It to taste of choc and not just sugar. Any recommendations?

Marking spot.

Two M&S chocolate swiss rolls. Cut one on a diagonal. Stick them together and cover with homemade chocolate butter cream. Dust with icing sugar. Much nicer and cheaper than a special Yule Log.

Grand idea!