Blueberry Streusel Coffee Cake - cooking recipe

Ingredients

Cake
1 cup blueberries
1 tablespoon flour
1/2 cup butter, softened
2 cups flour
2 teaspoons baking powder
1/4 teaspoon salt
1 cup sugar
3/4 cup milk
1 egg
Streusel
1/2 cup sugar
1/3 cup flour
1/2 teaspoon ground cinnamon
1/4 cup butter, softened

Preparation

Combine the blueberries and 2 T flour; toss gently and set aside.
Combine 1/2 cup butter, 2 cups flour, 2 tsp baking powder, 1/4 tsp salt, 1 cup sugar, and 3/4 cup milk in a large bowl.
Beat 2 minutes at medium speed with an electric mixer.
Add egg; beat one minute.
Fold in blueberries.
Spread batter evenly in a greased and floured 9-inch square pan.
Mix 1/2 cup sugar, 1/3 cup flour, and 1/2 tsp cinnamon in a bowl; cut int 1/4 cup butter until mixture resembles coarse meal.
Spread this mixture over the batter.
Bake at 350\u00b0F for 50-65 minutes (reading the reviews and from my own exprience, I believe this requires an extra 15 minutes).