Lemon Blueberry Cake - Chefwiz.com

Ingredients

• 1 tsp butter, or as desired
• 12 oz fresh blueberries
• 1 tbsp all-purpose flour
• 1 tsp lemon juice
• 1 cup white sugar
• 2 large eggs
• 1 cup sour cream
• ½ cup vegetable oil
• 1 tsp vanilla extract
• ¼ tsp salt
• 2 cups all-purpose flour
• 2 tsp baking powder
• 1 tbsp lemon juice
• ½ tbsp lemon zest
• 2 tbsp confectioners' sugar, or as desired