Bake the salmon fillet in an oven set at 50℃ for 30 minutes or pan fry it until cooked. Dice it when cool. Set aside;
Put the mirin, sake and Japanese soy sauce in the salmon roe. Mix to season well. Set aside;
Dice the avocado, tomato, onion, Chinese pear, peach and red onion, season with honey mustard, a pinch of ground black pepper and balsamic vinegar. Set aside;
Mix red lettuce and arugula with the olive oil. Set aside;
Mix the lemon juice, lemon peel, a pinch of ground black pepper, mayonnaise and dried parsley and season the salmon dices;
From the base, put the ingredients in steps (3), (4) and (5) into the round-shaped mould layer by layer;
Finally, put the salmon roe in step (2) on the top surface.