I got this recipe from my father's distant cousin, Hasso, who serves it each year in Sorrento, Maine. Make a double batch, serve it hot and gooey, and be sure you have some vanilla ice cream on hand.
Ingredients
1 quart wild blueberries (conventional will do)
2 tablespoons flour
2 tablespoons sugar
1 cup flour
1/2 cup brown sugar
1/2 cup cold butter, cut into pieces
Directions
Preheat your oven to 350 °F.
Mix the filling ingredients and put in an 8 x 8 baking dish.
Mix the topping roughly (so that it's still lumpy) and sprinkle over top. Bake for 30 minutes. Serve hot, preferably with vanilla ice cream.