Preparation 40 min. Cut the melanzani lengthwise into 12 strips, roast in a hot non-stick frying pan. Sprinkle with a little salt and place in a baking dish. Pour a small amount of vinegar and oil and marinate for 30 minutes.
Remove the seeds and septum from the peppers and cut them into small cubes. Heat a little oil in a frying pan and roast the peppers with salt, juice of one lemon and chopped parsley. In a baking bowl, mix the chopped tuna and the chopped hard eggs, add the finely chopped radicchio and the roasted peppers as well and finish with a little bit of oil.
Spread the mixture on the pickled melanzane and roll up.
Bring the rolls to the table with leaf lettuce and any garnish.