Cook chicken on medium/high until mostly cooked through. Season with salt and pepper.
Remove and place on a plate while you cook the onion for a few minutes. Add the garlic. Cook for a minute, add seasoning and large pinch of salt.
Then add the sauce, then fill up the sauce jar with water and add that.
Add pasta and chicken, cover with liquid, cook on a high simmer and cover for 15 minutes. Stir occasionally.
Stir in blended cottage cheese and parmesan. Top with mozzarella.Serve and store leftovers sealed in the fridge for up to 5 days.