Prep Time 25 minutes mins
Cook Time 12 minutes mins
Resting Time 1 hour hr 30 minutes mins
Total Time 2 hours hrs 7 minutes mins
Use a thick, low-moisture jam to prevent leaking; if your jam is loose, cook it a minute longer until it mounds on a spoon. Keeping the dough cold is key for neat spirals—if it softens while slicing, pop it back in the freezer for 10 minutes. Measure flour by spoon-and-level to avoid a dry dough; if crumbly, add 1 to 2 teaspoons milk until it just comes together. For brighter flavor, add a pinch of citric acid or extra lemon zest to the jam. The dough log can be refrigerated up to 48 hours or frozen for 2 months; slice from frozen, adding 1 to 2 minutes to bake time. Rotate pans halfway for even browning and remove cookies before they color deeply to maintain a soft, shortcake-like texture.