Wash potatoes thoroughly and cook in boiling water for about 20 minutes. Halve the bacon slices. Drain potatoes, rinse and peel. Wrap 1/2 slice of bacon around each potato.
Heat the oil in a pan. Add the potatoes and fry all around for about 10 minutes, turning occasionally. In the meantime, wash the rosemary, pluck the needles from the stems and chop them. Finally sprinkle over the potatoes.
Wash the herbs, shake dry and put some parsley aside. Chop the rest of the herbs finely or cut into small rolls. Stir curd and mineral water until smooth, season with salt and pepper. Stir in the herbs.
Arrange the herb quark in a bowl and garnish with parsley.