Lamb burger with avocado chilli jam - Australian Avocados

Ingredients

• 480g lean lamb mince
• 1 medium size brown onion (peeled and diced)
• ¼ bunch flat leave parsley (chopped)
• ½ tsp lemon zest
• Salt and pepper to taste
• 2 avocados
• 2 tsp lemon juice
• 2 tbsp plain yoghurt (Greek is best)
• ½ bunch mint (chopped)
• 1 tomato, sliced
• 4 tbsp chilli jam or sweet chilli sauce
• 4 damper rolls