Gather and measure out all of your ingredients and have all kitchen tools at the ready.
Prep and Preheat
Begin by pulsing all-purpose flour together with Kosher salt to combine.
Make the Dough
Transfer the dough to a lightly floured surface and knead to form a cohesive mass.
Leave one piece of dough in the refrigerator while you work the other into a 12 x 9-inch rectangle on a floured surface.
Assemble the Rugelach
Once you have your 12 x 9-inch rectangle, spread 1/4-cup of the jam over the entire surface. The layer will be thin.