2 1/2 cups whole wheat pastry flour
1 cup all-purpose flour
1 1/2 teaspoons baking powder
1 teaspoon baking soda
1 teaspoon cinnamon
1/4 teaspoon salt
2 large eggs
2/3 cup brown sugar
1/4 cup granulated sugar
2 teaspoons vanilla extract
2/3 cup milk
1/2 cup butter, melted and cooled
1 1/2 cups fresh blueberries, tossed in a spoonful of cornstarch

Streusel:
1/2 cup loosely packed brown sugar
1/2 cup all-purpose flour
1/4 teaspoon cinnamon
pinch of salt
1/4 cup unsalted butter, softened
1 tablespoon milk