In a large bowl, combine the oats, milk, eggs, walnuts, syrup, banana, butter, vanilla, baking powder, and salt. Carefully fold in ¾ cup of strawberries.
3 cups old-fashioned rolled oats, 1 ¾ cup milk, 2 large eggs, ½ cup walnuts, ⅓ cup maple syrup, ⅓ cup banana mashed, ¼ cup unsalted butter, 2 teaspoons vanilla extract, 1 teaspoon baking powder, ½ teaspoon salt