Grease an oven proof dish with the butter.

Butter the bread and cut into triangles.

Layer half the triangles of bread onto the oven proof dish.

Add the blackberries and chopped up strawberries and sprinkle with sugar and cinnamon.

Add more triangles of bread on the top.

Whisk together the eggs, cream and milk and pour over the bread.

Leave to soak for about ten minutes.

Preheat the oven to 180C/355F/Gas 4.

Cook in the oven for 35 - 40 minutes until the egg mixture has set and the top is golden.