Can I make the blueberry compote ahead of time?
Yes, prepare the compote up to 2 days ahead and store it in an airtight container in the refrigerator. Let it cool completely before assembling the pastries.
How do I prevent the puff pastry from shrinking during baking?
Thaw puff pastry completely before use and avoid overworking it. Chill the assembled twists for at least 15 minutes before baking to help them hold their shape.
Can I freeze unbaked danish twists?
Yes, assemble the twists, freeze them on a baking sheet until solid, then transfer to a freezer bag. Bake from frozen, adding 3–5 minutes to the baking time.
What does the egg wash do?
The beaten egg creates a glossy, golden-brown finish on the pastry surface during baking and helps it brown evenly.
Can I use canned blueberries instead of fresh?
Fresh blueberries are preferred for texture and flavor, but canned (drained well) will work—reduce or omit the added water since canned fruit releases more liquid.