Bombay omelette - Good Food Middle East

Ingredients

• 50g Greek yoghurt
• small pack coriander, leaves finely chopped, stalks reserved
• ½ lime, juiced
• 1 tbsp butter
• ½ red onion, sliced
• 1 small garlic clove, crushed
• ½ red chilli (deseeded if you don't like it too hot), finely chopped
• 1 tsp curry powder
• 2 eggs, beaten
• 1 tortilla