Heat oven to 400°. Drain the fruit reserving the juice. Toss berries with 1 tbsp sugar, then spread in an even layer in a 9” round ovenproof dish, greased with vegetable spray.
Sift the flour and cinnamon into a large bowl and stir in the remaining sugar. In a bowl, beat the eggs and coconut milk together, then whisk into the flour mixture to a smooth batter. Pour the batter evenly over the fruit then bake for 40-45 mins.
Heat the Black Currant Syrup and reserved juice in a pan. Stir in the arrowroot until thickened into a purée. Dust the clafouti with powdered sugar and drizzle with the purée.