Preheat oven to 350°F. Line ... the flour, baking powder, and salt together in ... gradually add the butter, then the vanilla. Add the peanut butter first, then while beating, ... Recipe can be doubled.
Note: You can use self-rising flour. Just omit baking powder and salt. Sift dry ingredients ... a bowl. Process peanut butter, egg yolk, milk, vanilla ... Makes about 6 waffles.