Preheat oven to 375. Spray a 13x9x2-inch pan with non-stick cooking spray. Combine fist 4 crust ingredients in medium bowl. Cut in butter using pastry blender or two knives until mixture resembles coarse meal. Press half of crumb mixture onto bottom of prepared pan. Bake crust until light brown, about 15 minutes. Cool slightly.
For filling, mix blueberries, jam, flour and lemon peel in bowl. Spread filling over crust. Sprinkle remaining crumb mixture over. Bake until topping is golden, about 35 minutes. Cool in pan. Cut into squares and serve.
3 Points Each (32); 4 Points Each (24); 100 for Entire Recipe