You'll start by coating the chicken in your seasoning mix, set aside while you get the pan hot. Be sure to wash your hands after handling raw chicken.
Add 1 tbsp olive oil to the pan and allow to get hot. Add your chicken - allow to brown on one side without disturbing for 3-4 minutes. Turn the chicken and brown on the other side for a couple of minutes. Remove the chicken from the pan and set aside.
Drizzle the remaining 1 tbsp olive oil into the pan you have just remove your chicken from, add onion, red pepper, garlic and red chilli flakes. Allow to saute for about 5 minutes on low heat.
Add can of chopped tomatoes and chicken stock to the pan, followed by the fresh (or dried if using) oregano. Stir well to combine.
Return the chicken breasts and any released juices to the pan - allow to cook on low for 20 minutes, turning every 5 minutes to ensure even cooking.
While the chicken & sauce are cooking, cook your pasta according to the packet instructions.
Reserve some of pasta cooking water before draining the pasta and adding to the chicken / sauce mixture.
Add some pasta cooking water to the sauce if needed to achieve your desire consistency, season to taste.
Serve with fresh parmesan.
Notes
Calorie information provided is an estimate
Keyword cherry tomato, chicken, oregano, pasta, red pepper, spicy, tangy