Stuffed Spring Chickens with Red Fruit Sauce

• 4 × 450g/1lb poussins
• salt and freshly ground black pepper

Mix together all the ingredients for the stuffing, using three-quarters of the butter, in a large bowl. Wipe the birds and season them inside and out with salt and pepper. Stuff them with the prepared mixture, tucking in the loose bits of skin neatly. Brush the chickens with the remaining melted butter and place them on a wire rack in a roasting tin. Roast in th