Mix flour with salt.
Add cold butter and work it into fine crumbles.
Add sour cream and knead it briefly and quickly into a dough that is only roughly homogeneous.
Divide the dough into three equal pieces and chill them in an airtight container for 1 hour.
First, take one piece of dough out of the refrigerator and roll it out thinly on a floured work surface into a long rectangle.
Cut the rectangle into strips about 8 cm x 20 cm.
Spread some cherry filling on one edge of each strip lengthwise (I did it using a piping bag with a hole nozzle), roll up each strip from the side with the filling and tape the edge and both ends tightly.
Spread the cherry filled dough tubes on a baking sheet lined with parchment paper and prick them in several places with a toothpick.
Bake the cherry rolls in a preheated oven at 356 °F (180 °C) for approx. 20 - 25 minutes until lightly golden brown.
Roll out the other two dough pieces one after the other in the same way as the first one, cut them into strips, fill them with the cherries and bake them.
Repeat the procedure also with the leftover dough, if you got some.
Let the dough tubes filled with cherries (15 pieces in my case) cool down.