1Dice the onion, add a spoon of sugar and a little vinegar and leave for a while.
2For toasted bread, roast garlic with chili flakes and butter.
3In a bowl, add the tuna, the prepared onion, lettuce, half a pickled lemon, a spoon of hot sauce, 1 spoon of mayonnaise, 1 spoon of cream cheese, spices, and colorful pepper.
4Mix the ingredients well.
5Spread the garlic butter on the bread.
6Put the tuna mixture on a slice of bread and cover with another slice.