Ingredients

  • 2-1/2 cup rolled oats (not instant) (625 mL)
  • 1-1/4 cup all-purpose flour (300 mL)
  • 1 cup packed brown sugar (250 mL)
  • 1 tbsp. grated orange rind (15 mL)
  • 1/4 tsp. salt (1 mL)
  • 1 cup cold butter, cubed (250 mL)
  • 3 cups fresh blueberries (750 mL)
  • 1/2 cup granulated sugar (125 mL)
  • 1/3 cup orange juice (75 mL)
  • 1-1/3 tbsp. cornstarch
  • 2 tbsp. water (20 mL)

Method

  • Filling: In saucepan, bring blueberries, sugar and orange juice to boil; reduce heat and simmer until tender, about 10 minutes.
  • Whisk cornstarch with 2 tbsp (25 mL) water; whisk into blueberries and boil, stirring, until thickened, about 1 minute.
  • Place plastic wrap directly on surface; refrigerate until cooled, about 1 hour.
  • In large bowl, whisk together oats, flour, sugar, orange rind and salt with pastry blender, cut in butter until in coarse crumbs.
  • Press HALF into 8-inch (2 L) square parchment paperlined metal cake pan; spread with blueberry filling.
  • Sprinkle with remaining oat mixture, pressing lightly.
  • Bake in centre of 350F (180C) oven until light golden, about 45 minutes.
  • Let cool on rack before cutting into squares.
  • Make-ahead: Cover and refrigerate for up to 2 days or overwrap with heavy-duty foil and freeze for up to 2 weeks.)
  • Canadian Living Magazine: August 2007