After entering autumn, Xiaobian introduces the method of this famous French soup to some people who often feel cold, which is very good for increasing body energy, promoting metabolism and accelerating blood circulation.
1. Cut the onion into pieces, melt the butter in a large saucepan, put in the onion, and heat over medium heat for five minutes.
2. When they become soft, sprinkle flour over them and stir until well blended.
3. Add wine, warm water, salt and pepper, and heat on low heat for 15-20 minutes.
4. Put the soup in a covered soup plate, add a slice of bread on it, sprinkle the grated cheese on the slice, and bake in the oven for a few minutes.