Blueberry

• 9 pie
• 7 blueberries (fresh)
• 1 recipe orange pastry crust
• 1 orange zest (finely grated)
• 160 gr all purpose flour
• 150 gr sugar
• 110 gr butter-flavored shortening
• 80 ml orange juice concentrate (frozen)
• 60 ml reconstituted orange juice
• 24 gr cornstarch