Easy butter chicken

Name: Easy butter chicken
Prep time: 30 min
Cook time: 30 min
Total time: 1 h
Cuisine: Indian
Ingredients: 3–4 boneless, skinless chicken thighs, trimmed and cut into 2cm/¾in chunks; 6 green cardamom pods; pinch dried fenugreek leaves; 1 tbsp fresh lemon juice; 1 tsp sunflower oil; 1 tsp garam masala; ½ tsp ground cumin; ½ tsp ground coriander; ½ tsp paprika (not smoked); ½ tsp flaked sea salt; ¼ dried flaked chillies; 2 tbsp sunflower oil; 2 garlic cloves, finely grated; 15g/½oz fresh root ginger, finely grated; ½ tsp garam masala; ½ tsp ground turmeric; 1 tsp dried fenugreek leaves; pinch dried chilli flakes; 1 tbsp caster sugar; 1½ tbsp tomato purée; 100ml/3½fl oz double cream; pinch flaked sea salt