Balsamic Glazed Pork - Pinch Of Nom

Ingredients

• 120 ml balsamic vinegar
• 1.5 tbsp granulated sweetener
• 4 pork medallions
• 1 large red onion
• 2 banana shallots
• 6 cloves garlic
• 2 sprigs rosemary
• 1/2 red chilli (deseeded and finely chopped)
• balsamic glaze
• sea salt
• freshly ground black pepper
• low calorie cooking spray