Remove the bean seeds from the pods. Peel and finely dice the onions and sauté in butter until translucent. Add the beans and dust with flour. Mix well and add 1/4 liter of water. Add savory and bacon on top. Cover and cook at medium heat for about 30 minutes. Remove bacon and savory and season beans with salt and pepper as needed.
Add the cream and heat again.
Arrange the beans with the bacon and serve hot.