Heat 2 Tbsp oil in a large frying pan over a high heat. Add chicken pieces and brown all over. Remove from pan and set aside.
Heat remaining olive oil and butter on a medium heat. Add onions
Add thyme and deglaze pan with white wine.
Add cream and lemon zest to pan. Cook for 5 minutes or until sauce is reduced by half. Check seasoning and if needed add ½ tsp salt and pepper.
Cook pasta as per packet directions.Add chicken and pasta to the pan and toss through the sauce.
Serve with shavings of parmesan and garnish with thyme.
Tip: Dip a spoon into the sauce turn it over and run your finger along the back of the spoon. If the sauce holds its shape it is ready to go.
