Blueberry Breakfast Cake Gelson's

Ingredients

• For the streusel:
• ½ cup all-purpose flour
• ¼ cup packed light brown sugar
• ½ tsp Gelson’s ground cinnamon
• 4 Tbsp unsalted butter, melted
• Kosher salt
• For the cake:
• Cooking spray
• 2 cups all-purpose flour plus 1 tsp, divided
• 1 tsp baking soda
• 1 tsp baking powder
• ½ tsp kosher salt
• ½ cup unsalted butter, room temperature
• ½ cup granulated sugar
• 2 tsp lemon zest
• 2 large Gelson’s eggs, room temperature
• ½ cup sour cream, room temperature
• 1 ½ tsp vanilla extract
• ⅓ cup whole milk, room temperature
• 1 cup fresh blueberries, rinsed and dried