Prince William's Chocolate Biscuit Cake
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Prince William's Chocolate Biscuit Cake. In honour of the royal wedding here's a favourite of the entire British royal family and was chosen by the Prince as his grooms cake for the wedding.

Originally published April 28, 2011.
Prince William's Chocolate Biscuit Cake
The inspiration for this chocolate biscuit cake came when I went for a stroll downtown with the kids a couple of days ago. We came up with the idea to make Prince William's groom's cake which he has requested be served at the wedding reception.
Apparently, this easy no-bake refrigerator cake is a childhood indulgence of his and a particular favourite of the entire royal family. With this idea in mind, we dropped into Fat Nanny's grocery store on Duckworth Street.
There, I procured the necessary Lyle's golden syrup and a large sleeve of McVities original digestive biscuits. Both Lyle's and McVities are venerable brands in the UK, which adds a little extra authenticity to the recipe on this occasion.

Golden syrup is a little difficult to come by in these parts, so I would use dark corn syrup as a substitute. Any brand of digestive biscuits will do.
Dark chocolate is the way to go with this recipe but you can mix semisweet and dark chocolate if you like the chocolate flavour to be a little lighter.
I've also read numerous versions of this recipe online that include such ingredients as dried cherries, and roasted nuts. I even saw one ingredient I might just try the next time I make this; broken Crunchie bars!
There's lots of room for experimentation with this recipe, so go discover your own favourite version.
2019 update
We have now downsized this large recipe to be made as Chocolate Biscuit Cookie Bars. Now you have two delicious opens depending upon your needs.
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This was actually the favorite of Queen Elizabeth, and she had it for afternoon tea. Every. Single. Day. Until it was gone, by which time the kitchen was making a new one. (Well - there WAS that one time...).
Darren McGrady (theroyalchef.com), a former chef to the royal family, tells of riding on the train from London to Windsor, with a partially eaten cake, in a metal cookie tin, held securely on his lap, if the Queen was going from Buckingham Palace, to Windsor Castle. She just HAD to have her cake. And eat it, too! (Interview on The Today Show, and reiterated on his website.)
Actually, this cake was first made for Queen Elizabeth, and was her favourite.
It's actually Rich Tea biscuits that are used, not Digestives.
In the USA a substitute for a Rich Tea biscuit are Maria (Marie) cookies or uniced Animal Crackers.
Those are not available everywhere but if you can find them, they are delicious too.