Instructions

  1. Preheat oven to 400°F and spray 10-inch springform pan with non-stick cooking spray.
  2. Combine flour, salt and sugar.
  3. Cut in the butter with pastry blender or fork.
  4. Mix in the vinegar.
  5. Pat crust onto bottom of springform pan and 1 inch up side.
  6. For filling combine sugar, flour and cinnamon.
  7. Add 2 1/2 cups blueberries.
  8. Place evenly on top of crust.
  9. Bake for 1 hour.
  10. Remove from oven and put remaining 2 cups blueberries on top, lightly pressing in blueberries.
  11. Cool completely.
  12. Remove rim and serve from springform bottom.