Pear, chocolate, hazelnut & wattleseed tarts with wattleseed custard

Wattleseed powder comes from Australia and it has a taste similar to coffee. In fact, in the townships of Northern New South Wales you can buy what most espresso fanatics would consider the biggest insult to the coffee bean - wattleccinos. These are cappuccinos made with soy milk and wattleseed - I think they’re great, albeit quite hippie at heart. Commercially, wattleseed is made by roasting and grinding the edible seeds of the acacia tree. Acacias are to be found around the world in tempe