I found this recipe from the Penzey's Spice catalog and now it is by far my favorite banana bread recipe. I honestly don't know if I could make this without peanut butter now. :-)
Peanut Butter Banana Bread
R7Angelica Posted: 12/11/11
PaigeA Posted: 02/28/12
I'm waiting for it to come out of the oven for the final taste test . . . but the batter was the best I've ever had!