Prepare pasta in boiling salted water according to package instructions, drain, place on a baking tray and allow to cool. Drain the tuna and collect the oil. Clean and wash the rocket and drain thoroughly. Wash basil, shake dry, pluck leaves from the stalks
Peel and chop the garlic. Wash lemon hot, rub dry, grate peel. Halve lemon and squeeze. Mix drained tuna oil and 2 tablespoons of oil. Season lemon juice with salt, pepper and sugar, fold in oil mixture. Stir in garlic and lemon peel
Tuna fish to pieces. Mix the pasta, rocket, basil, tuna, capers and vinaigrette, leave to stand for about 5 minutes and serve