Cook the penne pasta according to package instructions and set aside.
2- Heat the oven to 190/170 degrees.
Heat the oil in a large pan and fry the peppers over a medium heat for a few minutes to soften, and then add the garlic and cook for a minute more
Pour in the penne, then stir in the oregano, chilli flakes, aubergine, capers and half the basil.
Add the tuna, cover the pan over low heat for 15 minutes until the aubergine is tender, and stir.
Add the quark into a bowl and add in the egg and three-quarters of the parmesan cheese
Put the pasta in a dish and pour the cheesy mixture
Sprinkle on top the remaining parmesan and oregano, then bake for 15-20 minutes to set the top
Scatter over the last basil and reserved parmesan, then serve with salad