Heat oven to 190C/170C fan/gas 5.
Scrub the potatoes and cut into chips.
Lay the chips in a single layer on a baking
tray, drizzle with oil, season and toss to
coat. Bake for 40 mins until crisp.
Mix together the grated onion, carrot,
mince and jerk seasoning in a large bowl,
then shape into 4 evenly sized patties.
Heat a non-stick frying pan till hot, then
cook the burgers for 5-6 mins each side.
To make the relish, mix the chopped
onion, pineapple, chilli, coriander and
lime juice. To serve, place the burgers
in split buns with some lettuce and the
spicy relish. Serve with the crispy chips.