Place the chicken pieces in the slow cooker and coat well with the flour and salt.
Throw in the garam masala, turmeric, paprika, onions, garlic, chillies, chopped tomatoes and tomato puree and mix together.
Slow cook on high for 3 hours.
After 3 hours, stir in the plain yogurt. Serve with rice and top with chopped coriander.
Enjoy!