Hummus and Mozzarella Toast - Serving Dumplings

Ingredients

• 1 large red onion
• ¼ cup apple cider vinegar
• 1 tbsp light brown sugar
• 1 tsp salt
• ½ cup boiling hot water
• 2 garlic cloves
• 3 tbsp lemon juice
• 1 tsp black pepper
• 1 tsp ground cumin
• ½ tsp salt
• 2 tbsp olive oil
• 1 can (400g/15 oz) chickpeas (drained)
• ½ cup tahini
• 1 tbsp sesame oil
• 5 tbsp ice cold water
• 4 slices of bread
• mozzarella pearls
• sun-dried tomatoes
• pesto (or herb oil from sun-dried tomatoes)
• sesame seeds
• chili flakes
• freshly ground black pepper
• basil leaves