In a bowl, after draining out the oil in the canned tuna mix the tuna and mayo, some salt and maggi to taste and d diced onion and tomatoes together

Mix well then chill in the refrigerator for 5min or just make it sit for 5 min.... Then prep the bread

Cut of the edges of the bread, then take a slice and add your spread take another slice and cover the spread take a bread knife or the usual knife then cut the slice in two to your desired shape