Sort the blueberries, wash and drain well. Put the berries in a tall container, add lemon juice and 1 tablespoon of water and puree finely with a hand blender. Put the mixture through a fine sieve and chill.
Prepare a well-seasoned dressing from sugar, salt, pepper, mustard, vinegar and 4 tablespoons of olive oil.
Roast the pine nuts in a pan until golden brown. Remove. Cut the meat into strips. Heat 2 tablespoons of oil in the pan and sear the meat for 3-4 minutes. Season with salt and pepper and keep warm.
Clean the salads, wash them thoroughly and drain them well. Cut the radicchio into bite-sized pieces and mix with the lamb`s lettuce. Drape the salads in the middle of large plates, cover with chicken strips and pine nuts. Spread the dressing over the salads with a tablespoon and crumble the goat or sheep cheese over it. Finally, drizzle with the blueberry cream. Baguette goes well with it.