Prepare fillings for the sandwich cake. Drain the tuna completely and add 100 g of fine mayonnaise, and chopped red cherry tomatoes. In 100 g of mayonnaise, add a mixture of lettuce with carrots. Then mix 100 g of mayonnaise with pieces of salmon and yellow to dark red cherry tomatoes.
Arrange the cake, spread the tuna mixture on one slice, then fold in the next slice of tramezzino to which you apply the mixture of crispy salads, then the next layer of tramezzino bread with salmon mixture, another layer of tramezzino with salad mixture, and the last layer of tramezzino, coat with the mixture cream cheese, arrange olives and pieces of salmon as decoration.
