Blueberry Pop Tarts

For the Dough:

All Purpose Flour 2 cups (250g)

Granulated Sugar 2 tablespoons (28g)

Salt 1 teaspoon (6g)

Unsalted Butter 1 cup (226g)

Milk ¼ cup (60ml)

For the Blueberry Filling:

Fresh or Frozen Blueberries

Water as needed

Sugar as needed