Then when you go to bake your muffins you want to fill the muffin wrappers almost full (leave about 1/4 inch at the top). Now ...

Overripe bananas seem to keep multiplying on my kitchen counter. I was about to start another batch of banana bread when my daughter begged, “Please, not another loaf. Can you make muffins in… ...

Add nut butter, oil, sugar, egg, and vanilla. Increase speed to medium and mix for 2 to 3 minutes until smooth and creamy. In another bowl, combine flours, baking soda, salt, and cinnamon.

Bake muffins until golden brown and a tester inserted into the center comes out clean, 18–24 minutes. Let muffins cool in pan slightly before serving. Do ahead: Muffins can be baked 3 months ahead.

Spiced Banana Muffins: Add 1/2 teaspoon ground cinnamon and 1/4 teaspoon ground cardamom to the flour mixture. Nuttier Banana Muffins: Substitute toasted walnut or other nut oil for the vegetable oil.