Wash and halve the potatoes. Put them on a baking tray with the cut edge facing upwards, season with salt. Cook in the preheated oven (electric cooker: 200 °C/ convection oven: 175 °C/ gas: level 3) for about 40 minutes. In the meantime, wash the pork tenderloin, dab dry and cut into fine slices. Clean, wash and halve the mushrooms.
Wash the chives, cut into small rolls, pluck the blossom. Heat oil. Fry the fillet slices on each side at high heat. Season with salt and pepper, take out. Sauté the mushrooms in the frying fat. Also season with salt and pepper. Dust with flour. Add stock and cream while stirring, let simmer for 5 minutes. Add fillet again. Season everything with salt and pepper and sprinkle with chives.
Also season with salt and pepper. Dust with flour. Add stock and cream while stirring, let simmer for 5 minutes. Add fillet again. Season everything with salt and pepper and sprinkle with chives. Cut bacon into pieces and leave it crispy. Swivel potato halves in the bacon fat and serve with the ragout