Preheat the oven to 180°C, fan 160°C fan, gas 4. Brush the cod fillets with the curry paste. Set aside.
Use a peeler to cut the carrots into thin ribbons.Toss together with the sliced peppers and mange tout.
Cut 4 large pieces of baking paper and divide the vegetables between them. Top each with the cod fillet and sprinkle over the zest and juice of 1 of the limes.
Seal to make little parcels and transfer to the oven. Bake for 20-25 minutes.
Meanwhile, cook the noodles according to pack instructions. Drain and toss with the coriander.
Divide between plates and serve with the fish parcels and the lime wedges for squeezing over.