Place all pancake ingredients, except frying butter into the Thermomix bowl and blend 15 sec/speed 6.
Scrape down sides of bowl and repeat. Rest batter for 10 minutes.
Preheat a frying pan and dollop with butter between cooking each pancake on a low heat.You should get approximately six 16–18cm pancakes out of the mixture, using ⅔ cup batter per pancake. Cool them completely.
To make filling, place cream, mascarpone, vanilla, orange oil, orange zest and maple syrup into the Thermomix bowl and whip 20-40 sec/Butterfly/speed 4 until soft peaks form. Be careful not to over whip.
Remove from bowl and place filling into the fridge.
Without cleaning the Thermomix bowl make the ganache by placing the chocolate and cream into the bowl and heating 3 min/50°C/speed 1.
Stir with a spatula to finish combining.
Assemble cake by placing first layer onto a serving platter. Spread with some of the cream and drizzle a little ganache over.
Repeat with each layer until you have finished with the cream mixture. Drizzle with all remaining ganache. Refrigerate until ready to serve.