3 garlic cloves, finely chopped
25g/1oz piece fresh root ginger, peeled and finely chopped
2–3 tsp fresh lemon juice
1 large onion, finely chopped
250/9oz young spinach leaves
¼ tsp dried chilli flakes (optional)
salt and freshly ground black pepper
2 heaped tsp medium curry powder
½ tsp fine sea salt
1½ tbsp sunflower or vegetable oil
3–4 boneless, skinless chicken breasts (around 500g/1lb 2oz), cut into roughly 2.5cm/1in chunks