Coconut Chicken Curry

Name: Coconut Chicken Curry
Prep time: 5 min
Cook time: 20 min
Total time: 25 min
Cuisine: Indian
Ingredients: 350 g boneless chicken (thighs or breasts, but thighs are juicier - note 1); 200 g onion (finely chopped ); 10 g garlic (finely minced ); 20 g ginger (finely minced ); 2 g garam masala; 1 g ground cumin; 1 g ground turmeric; 5 cardamom pods only the ground seeds; 20 g tomato paste (note 2 ); 400 g coconut milk; 125 g baby spinach (note 3 ); 50 g cashew nuts (crushed - note 4 ); 10 g salt; 6 g sugar; 1 g black pepper (freshly ground ); 200 g buckwheat (note 5); 300 g water; 2 g salt; 25 g butter (oil if making it vegan); 10 g lime juice (freshly squeezed ); 50 g natural yoghurt (optional); pinch dried chilli flakes (optional - note 6)