Chickpea and tomato salad with tahini dressing

INGREDIENTS

• 2-3 garlic
• pinch sea salt
• 2 tbsp tahini
• 1 lemon
• 1 tbsp olive oil
• 200g/7oz dried chickpeaschickpeas
• 1 small white onion
• about 500g/1lb 3oz ripe tomatoes
• freshly ground black pepper
• handful roughly torn fresh parsley
• handful roughly torn fresh coriander
• , to taste cayenne pepper
• warm pitta bread