If using an oven, place a large tray of water on the bottom shelf of your oven and preheat to 180ºC. Butter and flour large baking dish, we are talking lasagne size. 34 cm x 24cm BIG!
Place all swirl ingredients into Thermomix bowl and blend 10 se/speed 6. Scrape down sides of bowl and repeat. Remove from bowl and set aside.
Place all cake ingredients into Thermomix bowl and blend 30 sec/speed 6.
Scrape down and repeat. Pour into prepared baking dish.
Dollop the Swirl mixture on top of the cake and use a fork or skewer to marble the swirl.
Process in Combi steam oven for 1 hour or until set in the centre or bake for 45-60 minutes above tray of water.
Serve warm or cold with cream, ice cream, custard, stewed fruit, fresh raspberries, strawberries, mango…Bon appetit.