Cod loin tikka paratha wraps

Name: Cod loin tikka paratha wraps
Ingredients: 3 garlic cloves; 10g peeled root ginger; 1 red chilli, roughly chopped (deseeded if you wish); 1 tsp ground cumin; 1 tsp ground coriander; 1 tsp paprika; 1⁄2 tsp ground turmeric; 2 tsp garam masala; 1 tbsp tomato purée; 1 tbsp rapeseed oil; 75g natural yogurt; 4 skinless cod loins (2 x 260g packs); 2 tbsp rapeseed oil; 1 onion, grated; 2 garlic cloves, grated; 10g peeled root ginger, grated; 1 green chilli, finely chopped (deseeded if you wish); 2 tomatoes, chopped; 2 tsp mustard seeds; 1 tbsp garam masala; 260g young spinach; 100g kale, destemmed and leaves torn; 4 onion parathas (we used Shana); natural yogurt; crispy fried onions; fresh mint, shredded