1.Make tomato sauce.
2.Preheat grill (broiler).
3.Fry eggs in heated oiled medium frying pan until cooked as you like.
4.Spread bottom half of each roll with about one tablespoon of the tomato sauce, place on oven tray. Layer cheese and prosciutto on rolls, grill until cheese starts to melt. Top each with 2 basil leaves, an egg and remaining tomato sauce and remaining roll half.
5.To make tomato sauce, combine undrained tomatoes with remaining ingredients in medium saucepan, bring to the boil, then simmer 15 minutes.