Clean and wash the radicchio and lamb's lettuce and drain well. Pluck the radicchio into bite-sized pieces. Peel onions and cut into fine rings. Dice Gorgonzola
Heat the fat in a frying pan. Roughly dice the bread and fry it until golden brown all around, take it out
Mix apple juice and vinegar. Season with salt, pepper and 1 pinch of sugar. Fold in the oil
Arrange radicchio, lamb's lettuce, onions and cheese on plates. Drizzle salad dressing over them. Sprinkle with hazelnut leaves and croutons. Garnish with apple slices