Black & Blue Crumb Bars

Eat one of these with a good cup of coffee & you'll experience a little slice of heaven.  These bars are good for breakfast, a snack, tea time, & dessert.  These bars are just plain good.  Whip 'em up, you won't be disappointed!  Here's the skinny...
Ingredients
1 1/2 cup sugar
1 teaspoon baking powder
3 cups flour
1 cup butter, cold & cut into 1/2 inch cubes
1 egg
1 teaspoon vanilla
1/2 teaspoon kosher salt
2 cups blackberries
2 cups blueberries
3 teaspoons cornstarch
Directions
Preheat oven to 375 degrees.  Line a 9 by 13 inch baking pan with parchment paper & spray with cooking spray.
In medium bowl mix together 1 cup sugar, flour, salt, and baking powder.  In small owl whisk together egg & vanilla.  Pour egg mixture into flower mixture and add butter.  Using a pastry cutter cut until crumbly dough forms.  Pat half of the dough into the bottom the baking pan.
In small bowl mix together 1/2 cup sugar & cornstarch.  Gently mix int he blueberries & blackberries.  Pour the berries over the crust  in the pan.  Crumble remaining dough on top.  Sprinkle with a little extra sugar.  Bake for 45 minutes or until slightly brown on top.  Cool completely before cutting.  Enjoy!
*fresh is best, but frozen berries work great as well.