How to Make the Jumbo Banana Muffins. Preheat the oven to 400 degrees Fahrenheit. Line your jumbo muffin pan(s) with liners, and set aside. In the bowl of a stand mixer, combine the sugar and bananas.

Callie Smith of Siloam responded to a request for a recipe for banana-blueberry-nut muffins. Anne Prevette of Pinnacle had made the request, and Smith happened to have the recipe.

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.