Peel the shallots and cut into fine slices. Cut the trout fillets into small pieces. Clean and wash lettuce hearts, pluck them a little smaller. Wash and quarter apples, cut out core. Cut the fruit flesh into fine slices and steam briefly in lemon juice. Drain the pumpkin.
Mix prepared ingredients and oil carefully. For the sauce mix vinegar and mustard. Season to taste with salt, pepper and sugar. Dribble the sauce over the salad. Serve sprinkled with roughly chopped pumpkin seeds. Serve garnished with lime