Welsh Lamb Thai Red Curry

Ingredients

• 450g lamb leg steaks, cut into thin strips
• 1 tbsp oil
• 1 tbsp coconut oil
• 1 red onion, thinly slices
• 3 cloves garlic, crushed
• 1-2 red chillies, chopped
• 4 cm piece fresh ginger, sliced
• 4 spring onions, sliced
• 2 carrots, cut into thin battons
• Bunch tenderstem broccoli, chopped
• 3 tbsp thai red curry paste
• 2 tsp tomato puree
• 1 tbsp fish sauce
• 1tsp brown sugar
• 400ml can coconut milk
• 300ml chicken stock
• Large bunch baby spinach
• 1 tsp cornflour (optional)