Veggie-loaded flatbread - Good Food Middle East

Ingredients

• ½ small red onion, sliced into thin wedges
• 2 tbsp olive oil, plus an extra drizzle, to serve
• 70g cherry tomatoes
• 200g canned chickpeas, drained
• 1 small garlic clove, crushed
• ½ tbsp tahini
• ½ lemon, zested and juiced
• 1 flatbread
• 30g mixed pitted olives
• 20g vegetarian feta, crumbled
• small handful of basil, shredded