1Season chicken with 1 tsp cornflour, 1 tsp salt, and a drizzle of olive oil. Place chicken, onion, garlic, sun-dried tomatoes, tomato oil, and chicken stock into the slow cooker. Cook on high for 2 hours.
2Turn slow cooker to low or off. Stir in double cream, Parmesan cheese, and spinach. Let sit for 20–30 minutes to thicken.
3Chop potatoes into cubes. Coat with olive oil, garlic salt, and oregano.
4Air fry potatoes at 200°C for 15 minutes. Add light butter, minced garlic, and oregano; cook at 170°C for 5 minutes.
5Serve chicken mixture with potatoes, topped with extra Parmesan.