Thaw plate pastry. Preheat the oven to 200 grader. Wash blueberry. Melt butter in small pan (old. Use a metal ring), Medium heating of. Sprinkle sugar and cinnamon in the pan. Add in three layers with blueberry apricot jam over. Step on a low heat 5 minutes.

a puff pastry sheet in the same size as the pan or metal ring. Add it as a lid over blueberries. Put the pan in the oven 20 minutes.
Remove pan and turn the blueberry cake upside down on a plate. Served warm.

Ingredients:
blueberries
Apricot jam
Puff pastry
Sugar
Cinnamon (mald)
Butter