Add olive oil, tomatoes, red onion & garlic to a large frying pan. Place lid on and fry on low for 8-10 mins
Meanwhile, add the penne to a saucepan of boiling water and simmer for 8-10 mins until tender, then drain
With tongs, remove the skin from the tomatoes - it should easily peel off
Mash the tomatoes up and mix with the red onion, garlic and basil
Add the mozzarella and stir for 2 mins until melted
Then add the yogurt and stir in the cooked penne and cooked chicken thigh. Cook gently for another 5 mins before serving
