'3 tablespoons of ketchup'
'1 tablespoon of lemon juice'
'to taste salt'
'1 can of tuna drained and rinsed to remove excess oil'
'120g of cooked prosciutto cut into thin strips'
'1 cup of scallions, chopped'
'1 cup of capers, chopped'
'1/2 medium onion, finely chopped'
'lettuce leaves'
'3 tablespoons of ketchup'
'1 tablespoon of lemon juice'
'to taste salt'
'1 can of tuna drained and rinsed to remove excess oil'
'120g of cooked prosciutto cut into thin strips'
'1 cup of scallions, chopped'
'1 cup of capers, chopped'
'1/2 medium onion, finely chopped'
'lettuce leaves'
Mix the ketchup, lemon juice, and salt in a medium bowl
Add the remaining ingredients, except for lettuce
Mix carefully
Serve over lettuce leaves
Each serving has approximately 200 calories.