- Trim the steak nicely, season with salt and pepper.
- Heat 20 g butter in a pan until hot. add steak and fry until brown, about 2 minutes. Turn it over and fry for another 2 minutes.
- Mix 80 g butter with remaining ingredient, roll up tightly and refregerate until hard. Cut the butter into slices(about 20 g /each) and top over the hot steak. One slice for one steak. Serve hot with french fries.