Ingredients
- 6 cups blueberries, divided
- 2⁄3 cup sugar
- 2 Tbsp cornstarch
- 1⁄8 tsp salt
- 1⁄4 cup cold water
- 2 Tbsp red currant jelly
- 1 Tbsp unsalted butter
- 1 Tbsp lemon juice
- 1 package frozen puff pastry dough, defrosted according to package instructions
- Flour
- 1 egg, beaten
- Vanilla ice cream or vanilla frozen yogurt, optional