Step 1 Generously butter a large (30cm diameter) oven proof baking dish and sprinkle with a little caster sugar.
Step 2 Place the loganberries in the dish.
Step 3 Whisk together all the other ingredients making sure there are no lumps of flour.
Step 4 Pour the mixture over the loganberries.
Step 5 Bake in a hot (190ºc) oven for 35-40 minutes until slightly risen and golden n top.
Step 6 Allow to cool before refrigerating.
Step 7 Serve cold, with a jug of pouring cream just to gild the lilly!