To make the pasta sauce, heat olive oil in a pan. Add onions, garlic and pancetta and cook for 5-7 minutes on a medium heat until onion is golden brown and caramelised.
Add San Remo Pasta Sauces with basil and season with salt and pepper. Adjust temperature to low to medium and stir occasionally for around 10 minutes until heated through.
In a pot of boiling salted water, cook pasta halfway through and drain pasta.
Assemble the pasta bake in a baking dish: tomato sauce on the bottom, pasta layer, tomato sauce, and then the cheeses. Repeat this process until you have filled your baking tray.