Heat a large frying pan or sauté pan over a medium heat.
Add the onion and cook for 4–5 minutes until soft and translucent.
Stir in the garlic, carrots and Tenderstem broccoli and cook for 3–4 minutes, stirring occasionally.
Add the red curry paste and stir well to coat the vegetables.
Pour in the coconut milk and mix until smooth.
Nestle the cod into the sauce, cover with a lid and cook for 8–10 minutes, or until the fish flakes easily with a fork.
Stir in the cooked brown rice and cook for a further 2 minutes until heated through.
Divide between two bowls and finish with toasted sesame seeds or a drizzle of chilli oil, if using.