Peel and halve the shallots. Wash and chop the thyme. Dab meat dry. Heat oil in a roasting pan. Brown the fillets in portions. Season with salt and pepper, remove.
Sauté the shallots in the hot frying fat. Season with salt and pepper. Dust with flour and sauté while stirring. Stir in 1 l water, stock and wine, bring to the boil. Put meat back into the sauce, add thyme.
Clean, wash and cut the spring onions into rings. Put aside approx. 1⁄4 of the spring onions, add the rest to the meat approx. 5 minutes before the end of the cooking time. Lift out the fillets. Refine sauce with cream, season to taste.
Cut the fillets into slices and put them back into the sauce. Arrange and sprinkle with the remaining spring onions.