1 cup old-fashioned rolled oats 1/4 cup chopped walnuts divided 1/2 tsp. baking powder 3/4 tsp. ground cinnamon pinch of salt 1/4 cup maple syrup (i used sugar free) 1 cup milk (i used skim) 1 large egg, lightly beaten 2 tbsp. unsalted butter, melted and cooled slightly 1 tsp. vanilla extract 2-3 ripe bananas,