We always had this coffeecake for birthday breakfasts and other special occasions. Even when we lived far away from Maine, the smell brought us back to Bar Harbor.
Serves 6 to 12.
Combine salad oil, egg, and milk. Sift together dry ingredients and add them to the milk mixture. Mix well. In another bowl, combine all ingredients for topping.
Pour cake batter into a greased 9 x 9 x 2-inch pan. Spread blueberries evenly over batter. Top that with the cinnamon nut mixture. Bake in 375°F oven 25 to 30 minutes.