Eggplant Spaghetti Sandwiches - Sicilian Doppiette di Melanzane

/10oz spaghetti

cups/750ml homemade tomato sauce

fresh basil leaves, roughly chopped

medium eggplants, cut vertically into slices

Vegetable olive oil, for frying

mozzarella, drained and finely cubed

parmesan cheese

Freshly ground sea salt and black pepper