Preheat oven to 400°
Combine blackberries, lemon juice, coconut sugar, and honey in a bowl and mix
Once mixed well, set aside
With a rolling pin, roll out pastry puff till thin but not breaking. Make sure to add flour to the counter and pin before so nothing sticks
Cut pastry puff into squares. They should be big enough to add filling and fold over into a triangle. Typically 1 pastry sheet gets you 6 squares.
Add blackberry filling into the center of each pastry square
Brush the edges of the pastry sheet with water and fold over in a triangle, pinch closed.
Line a baking sheet with parchment paper and add the turnovers to the sheet
Whisk the egg in a bowl and brush the turnovers with the egg
Bake for 20-25 minutes or until the turnovers are golden brown
While the turnovers are baking in a bowl combine, powdered sugar, melted butter, and lemon extract
Whisk the glaze ingredients together and set aside
Remove turnovers from the oven and add glaze on top. Enjoy!