Drain the pineapple and collect the juice. Cut pineapple and beetroot into small cubes. Chop anchovies finely. Clean the celery, put some light green leaves aside. Wash celery, cut into fine pieces, blanch for 2 minutes in boiling salted water, drain well.
Mix 6 tablespoons of collected pineapple juice and vinegar. Season with salt, pepper and sugar. Mix the prepared salad ingredients, marinade and oat flakes and leave to stand. Wash the chives. Tie some stalks together for garnishing. Cut remaining chives into small rolls. Mix with the butter. Cut the pumpkin seed roll into slices. Brush with butter and serve with salad.
Cut remaining chives into small rolls. Mix with the butter. Cut the pumpkin seed roll into slices. Brush with butter and serve with salad. Flavour salad again. Serve sprinkled with celery leaves and pink berries