Blueberry Sour Cream Coffeecake Recipe

• 1/2 cup plus 2 TBSP butter at room temperature (divided)
• 1 cup sugar
• 2 eggs
• 1 cup sour cream
• 1 tsp vanilla extract
• 2 cups plus 1/3 cup (divided)
• 1 tsp baking powder
• 1 tsp baking soda
• 1/4 tsp salt
• 2/3 cup packed brown sugar
• 1 tsp cinnamon
• 1 1/2 cups fresh blueberries, washed and drained

Directions