In a food processor reduce oats to flour, add other ingredients and process until a dough is formed.
Shape your biscuits – I simply give them a round shape, but a rectangular one is preferred – and dehydrate them for about 2 hours.
for the cream
In a saucepan mix corn starch and milk and bring to boil stirring whit a whip to prevent lumps.
When the sauce thickens, remove from the flame, add coconut nectar and stir to incorporate.
Put the sauce into a bowl, cover, let it cool and reserve in fridge.
Next morning strain cashews, blend with lemon juice + water until smooth. Add into the blender the coconut milk cream from the fridge and blend again.
Arrange the tiramisu: in a casserole dish – or glasses or whatever you want – spread a little layer of cream, make a new layer with some biscuits, spread a cream layer, biscuits, cream and go on. Finish with a light coating of cacao powder.
Reserve in fridge for at leat 12 hours. For a long-lasting dessert, reserve in freezer.