Mix the banana mixture into the flour mixture until smooth. Pour the liquid mixture into the well and stir quickly and sparingly with a wooden spoon. The mix … Spoon the batter … Fold in the blueberries. https://www.food.com/recipe/easy-moist-banana-blueberry-muffins-153642 https://www.bettycrocker.com/recipes/banana-blueberry-muffins