Preheat the over for 10 minutes on 180°C

Rinse the fillets in cold water then peel the fat off the fillets then cut them into thin slices

Rinse the onion, peel it, then slice it

Rinse the mushrooms then slice the mushrooms

Stir the water with each packet and then place it in the ovenproof tray

Stir the fillets onions and mushrooms in the tray

Put the tray in the oven, cook for 20 mins, stir and cook for another 25 mins

Measure the rice, rinse it through a sifter and add the required level of water to the rice cooker

Once finished cooking stir the sour cream with the stroganoff and serve