1 garlic clove, finely chopped
1 medium red onion, sliced
1½ tsp finely chopped fresh rosemary, plus 2–3 longer stalks for roasting
2 tsp balsamic vinegar
salt and freshly ground black pepper
1 tbsp soft light brown sugar
1 tbsp extra virgin olive oil
2 tbsp extra virgin olive oil
1 thick boneless pork loin steak or boneless pork chop