
For the best banana muffins, use very ripe bananas. In fact, if you can wait a day for browned, overripe, and speckled bananas, they are even better. Just before baking, we throw in mini chocolate chips. You can leave them out or swap for regular chocolate chips or fruit like blueberries or strawberries.
Heat oven to 350° Fahrenheit. Line muffin cups with paper liners. This recipe makes 12 regular-sized muffins.
Whisk the flour, brown sugar, baking powder, baking soda, and salt in a large bowl.
In a separate bowl, whisk the melted butter, mashed banana, egg, and vanilla until blended.
Add the banana mixture to the bowl with dry ingredients, then use a fork to combine. Do not overmix.
Stir in the chocolate chips.
Fill muffin cups 3/4 full. Bake until a toothpick can be inserted and comes out clean, 20 to 25 minutes.