Clean and wash spring onions and cut them into diagonal pieces. Dab meat dry and season with salt and pepper. Heat oil in a large pan. Fry the medallions for about 4 minutes while turning them.
For the sauce, melt fat in a saucepan, add flour and 1 tbsp. curry powder and sauté briefly. Deglaze with milk and 400 ml water, bring to the boil while stirring and simmer for about 5 minutes. With onion
Peel bananas and cut into thick slices.
Place the meat, bananas, spring onions and sauce in an ovenproof casserole dish and sprinkle with cheese. Bake in a preheated oven (electric cooker: 200 °C/ convection oven: 175 °C/ gas: see manufacturer) for approx. 15 minutes.
Wash the chives, shake dry and cut into fine rolls. Remove the casserole from the oven and sprinkle with chives. Bread tastes good with it.