For the curry paste: Combine all the ingredients in a small bowl and whisk together.
Place the onion, garlic and ginger in a slow cooker (5 litre capacity). Add the chicken pieces and then the paste. Stir well to combine. Cook on high for 4 hours.
1 brown onion, 3 cloves garlic, 3 cm ginger piece, 1 kg chicken thighs, 3 tbsp tomato paste, 0.667 cup chicken stock, 2 tsp curry powder, 2 tsp garam masala, 1 tsp ground turmeric, 1 tsp sea salt, 0.5 tsp cracked black pepper
After 3 hours, add the zucchini and cauliflower, if using. Stir well.
2 zucchini, 1 cup cauliflower florets
After 4 hours, turn off and add the greek yoghurt, lime juice, brown sugar and spinach (if using). Stir well to combine.
0.75 cup greek yoghurt, 0.5 lime, 1.5 tsp brown sugar, 2 cups baby spinach
Serve on rice with toasted roti or naan bread and fresh coriander.
1 cup Fresh coriander