In a small food processor, whizz together 5 garlic cloves, 1 large knob of fresh root ginger, roughly chopped, 1 red chilli, deseeded and roughly chopped, 2 tsp each ground cumin and coriander, 1 tsp each turmeric, paprika and garam masala, and the seeds from 4 cardamom pods. Add a little water or vegetable oil to bring the paste together. Can be stored in the fridge for up to 1 week or frozen for up to 1 month.