Preheat oven to 375°F and grease a 9 inch round pan.*
Combine all the ingredients for the streusel in a small bowl and mix everything together until crumbly. Set aside.(½ cup brown sugar, ½ cup white sugar, ⅔ cup bisquick mix, 1 tsp cinnamon, ¼ cup softened butter)
Mix all coffee cake ingredients together EXCEPT the blueberries. (2 cups original bisquick mix, ½ cup milk, 2 tbs sugar, ½ tsp vanilla, 1 egg)
Once the batter is well mixed gently fold in the blueberries*. (1 1.2 cups blueberries)
Pour into prepared pan and sprinkle streusel evenly over the top.
Bake for 18-22 minutes or until golden brown.
While baking, combine all the glaze ingredients until it is smooth. You can add additional milk 1 tsp at a time to thin it if needed. (1 cup powdered sugar, 1 tbs milk, ½ tsp almond extract)
When coffee cake is done baking drizzle glaze over it.