Wash the potatoes, grate dry, place on a baking tray lined with baking paper and brush with 1 teaspoon of oil. Bake in a preheated oven (electric cooker: 200 °C/ convection oven: 175 °C/ gas: level 3) for approx. 1 1/4 hours. Wash, peel and finely grate the carrots. Wash lamb's lettuce and drain well
Wash the steaks, dab dry, cut into strips and season with salt. Heat 1 tablespoon of oil in a coated pan. Fry the meat for 4-6 minutes, turning it over. Remove potatoes from the oven, cut baked potatoes lengthwise to the middle.
Add 1 teaspoon of butter, a pinch of salt and approx. 1 teaspoon of cheese to each incision and mash everything with the inside of the potatoes to a pulp. Press the potato mixture back into the peel halves and arrange on plates with some lamb's lettuce, grated carrots and steak strips. Sprinkle with pepper. Add the rest of the lamb's lettuce and grated carrots