In a med saucepan, bring the coconut cream to boil stirring it frequently. Add the sugar, lemon juice, zest, turmeric, vanilla extract, Keep stirring over a low heat.
In a separate bowl, Mix 4 tablespoons of corn starch with 1/3 cup of coconut milk or soy milk, mix well to get rid off any lumps. Add the mixture slowly the filling mix in a saucepan, keep stirring to avoid lumps for 5-8 min until custard thickens. The filling should be thick and custard like. Cook it little longer of the custard is not thick enough. Remove from the heat. Pour the filling into the crust. Distribute the filling evenly.
Put the tart in a flat surface in the fridge for at least 5 hours to set.
Decorate your tart with fresh strawberries, blueberries and more lemon zest.