Heat a couple of tablespoons of vegetable oil in a pan and put on a high heat. Add the mustard seeds and fry until they start popping, then add the onion and fry over a medium heat for around ten minutes until they are soft. Add the garlic and fry for a couple more minutes before adding the other spices and the chilli.
An Asian twist on the traditional burger. Healthier too but no compromise on flavour. Pineapple is an amazing food and has so many health benefits, if you want to know more then read here
Heat the oven to 200C. Toss the sweet potato wedges with about 1 tbsp of the oil and some salt and pepper and tip out onto a baking tray. Roast for about 45 minutes or until golden and crispy at the edges.