Roast the peppers & onions – Add red bell peppers, habanero, and onions to the air fryer or oven. Roast until slightly charred and fragrant.
Blend until smooth – Combine the roasted veggies in a blender with a splash of water or coconut milk to help it blend.
Cook the sauce – Pour the blended mixture into a saucepan over medium heat. Add the lite coconut milk, basil leaves, and seasoning. Stir and let simmer for 5–7 minutes.
Add the fish – Place swai fillets into the simmering sauce and let cook gently until flaky and fully cooked.
Finish & serve – Add chopped parsley, stir, and remove from heat. Serve hot with pasta, rice, potatoes, beans, or your preferred side.