Blueberry Coffee Cake

 Ingredient:

1 cup sugar

1/2 cup butter

1 cup sour cream

2 eggs

1/2 teaspoon salt

1 teaspoon vanilla

2-1/4 cup flour

1-1/2 teaspoon baking powder

1/2 teaspoon baking soda

1 cup blueberries

Streusel:

1/3 cup sugar

1/4 cup firmly packed sugar

2 teaspoons cinnamon.

Directions: Preheat oven 350. Spray a a 9x9 pan with cooking spray. Mix streusel and set aside. Combine flour, baking powder, baking soda and salt in small bowl.  Combine sugar and butter in stand mixer, beat at medium speed scraping bowl often until creamy.  add sour cream, eggs and vanilla, continue beating until combined. Reduce mixer speed to low and add dry ingredients to wet ingredients until well mixed. Spread half the batten in the pan sprinkle the blueberries and 1/2 the streusel. Spoon remaining batter on top of blueberries and sprinkle remaining streusel on top. Bake for 55-65 minutes