Beetroot bhaji burgers - Good Food Middle East

Ingredients

• 2 onions , halved and thinly sliced into half moons
• 1 beetroot (around 150g)
• 2 tsp cumin seeds
• 1 tsp curry powder
• 1 green chilli , finely chopped
• 150g gram (chickpea) flour
• 1 tsp baking powder
• vegetable or sunflower oil , for frying
• 4 eggs
• 4 burger buns
• 100g Greek-style yogurt
• mango chutney , to serve
• small bunch coriander , chopped, plus a few leaves to serve