Slammin' Blueberry Coffee Cake

• 1/2 cup butter, softened
• 1 cup sugar
• 2 eggs, lightly beaten
• 1 egg white, lightly beaten
• 3/4 tsp vanilla
• 1/2 cup light sour cream
• 1/2 cup vanilla yogurt
• 2 cup flour
• 1 tsp baking powder
• 1 tsp baking soda
• 1/4 tsp salt
• 2 1/2 cup blueberries
• 1/3 cup butter, softened
• 1/2 cup flour
• 1/3 cup brown sugar

1. Preheat oven to 350 and spray 9 x 13" pan with cooking spray.
2. Cream 1/2 cup butter and 1 cup sugar.
3. Add eggs, one at a time, and beat until well mixed.
4. Add yogurt, sour cream, and vanilla.
5. In small bowl, mix 2 cups flour, baking powder, baking soda, and salt.
6. Slowly add to butter mixture, mixing until just combined.
7. Fold in blueberries and spread batter in pan.
8. For topping, beat 1/3 cup buter and brown sugar together.
9. Add flour.
10. Sprinkle mixture over batter.
11. Bake 35-40 minutes, or until toothpick inserted near center comes out clean.

butter, sugar, eggs, egg, vanilla, light sour cream, vanilla yogurt, flour, baking powder, baking soda, salt, blueberries, butter, flour, brown sugar

Taken from cookpad.com/us/recipes/337477-slammin-blueberry-coffee-cake (may not work)