Preheat the oven to 350°/180°C. Grease a nonstick, 6 count or 12 mini doughnut pan. In a large bowl, whisk together the flour, baking powder, salt and cinnamon. In a small bowl, whisk together the granulated sugar, egg, mashed bananas, vanilla and the oil.
Stir the wet ingredients into the dry until just combined. Spoon the batter about ¾ full into the prepared pan. Bake until golden and a toothpick inserted comes out dry, 12 to 15 minutes; let cool completely on a rack.
Put the salted butter in a small pan and heat over medium-high heat until melted and nicely browned, about 4-5 minutes. Place the peanut butter in a small bowl and microwave until melted & smooth about 30-40 seconds. Add the browned butter to the peanut butter and slowly stir in the confectioner’s sugar.
If your frosting is too thick, add a tablespoon of hot water into the mix. Dip the bottom of your doughnuts into the peanut butter frosting. Enjoy!
- If you don’t have doughnuts pan you can use your muffin pan.
Recipe by Seven Spice at http://www.7spice.net/dessert/banana-doughnuts-with-peanut-butter-frosting/