Lamb Minute Steak Sandwich Recipe

Ingredients

• 450g of lamb leg steaks
• 4 bread buns, or baps, cut through the middle
• 1/2 red onion, peeled and finely sliced
• 2 tomatoes, finely sliced
• salad leaves
• onion jam, or use recipe below
• 60ml of olive oil
• 450g of onion, peeled and finely sliced
• 1 tbsp of balsamic vinegar
• 1 tsp Demerara sugar
• sea salt