Preheat oven to 200°C.
Season the fish fillets with salt and pepper, sprinkle with lemon juice and set aside.
Melt margarine in a pan and add spring onion and lightly fry.
Prepare KNORR Classic White Sauce by adding sachet contents to a jug and pouring in boiling water.
Stir with a fork for 1 minute until thick.
Stir spring onions into white sauce and add cheese and curry powder.
Grease a baking dish and spread the rice on the bottom and lay the fish fillets on top.
Pour sauce over and sprinkle with Robertsons Paprika.
Bake at 200 °C for about 30 minutes and serve with rice and salad.