Blueberry Babka Braid
I love cardamom with blueberries but you can try cinnamon, or omit the spice and use lemon zest instead.
If you're short on time, you can put the dough in the fridge for the first rise, 8 hours to overnight. Then roll out, fill, and roll into logs. The dough is easier to shape when chilled! Skip step 7 if you go this route.