Mix barbecue sauce, honey, mustard and 2 tablespoons of oil. Wash the chicken breast and dab dry. Remove meat from the bones in 2 fillets each. Mix the meat with the marinade in a bowl and leave to marinate for about 2 hours
Preheat grill with lid. Prepare pasta in boiling salted water according to package instructions. Drain the pasta, let it drain, place flat on a baking tray and let it cool
Drain capers, tuna and olives. Wash the tomatoes, dab dry and cut in half. Wash basil, shake dry. Pluck off leaves, chop smaller if desired
Season the vinegar with salt, pepper and sugar, fold in 7 tablespoons of oil. Mix cooled pasta with vinaigrette, tomatoes, basil, capers and olives. Carefully fold in the tuna
Remove meat from the marinade, grill on the hot grill for 2-3 minutes on each side, place in aluminium bowls, cover and cook for about 10 minutes. Season salad again. Serve meat and salad together
waiting time approx. 1 1/2 hours