Beetroot falafel

INGREDIENTS

• 1 tbsp olive oil
• 2 onions , chopped
• 2 tsp ground cumin
• 2 x 400g cans chickpeas , drained
• 500g raw beetroot , peeled, trimmed and coarsely grated
• 100g fresh breadcrumbs
• 1 egg
• 1 tbsp tahini paste
• vegetable oil , for brushing or frying
• 2 x 150ml pots natural yogurt
• pinch of sugar
• flatbreads
• few pickled golden beetroot , diced (see 'Goes Well With')
• 3 handfuls beet leaves or a bag of beet salad