Cauliflower and broccoli stir-fry recipe

Ingredients

• 1 cup oil for deep-frying
• 1 head of broccoli, broken into florets
• 1 head of cauliflower, broken into florets
• 2 tbsp vegetable oil
• 10 fresh curry leaves
• 3 garlic cloves, finely chopped
• 1 red onion, chopped
• 2 green chillies, slit lengthways
• 1 red pepper, deseeded and cut into 1cm dice
• 1 yellow pepper, deseeded and cut into small dice
• 2 1/2 cm piece of fresh ginger, peeled and finely chopped
• 1/2 tsp salt
• 1/2 tsp sugar
• 1/2 lemon, juice only
• 1 cup fresh coriander leaves
• 300 g cornflour
• 150 ml white vinegar
• 2 tsp red chilli powder
• 1 tbsp sugar
• 1 tsp cumin seeds, roasted and ground
• 1 tsp salt