Chargrilled Avocado with Harissa Hummus - Australian Avocados

Ingredients

• 2 x 400g tins chickpeas, rinsed and drained
• ¼ cup olive oil
• 1 tbsp lemon juice
• ¼ cup tahini
• salt and pepper
• 2 tsp harissa paste
• ½ tsp sumac, plus extra to serve
• 4 avocados, halved
• ⅓ cup pomegranate seeds
• 1 cup trimmed snow pea shoots