
1 cup fresh or frozen blueberries
1 tablespoon plus 1¾ cups all-purpose flour, divided
½ cup sugar
1 teaspoon baking powder
½ teaspoon baking soda
¾ teaspoon salt
1 egg
1 cup sour cream
⅓ cup milk
½ cup vanilla Greek yogurt
½ cup frozen whipped dessert topping, thawed
1 recipe Easy Blueberry Sauce