Preheat your oven to 375°F.
Peel bananas and place them in a large mixing bowl, mash with a fork until a pudding-like texture is reached.
2 medium over-ripe bananas
Add pumpkin puree, eggs, vanilla extract and sugar to the bowl. Whisk well.
¾ cup pumpkin puree, 2 large eggs, 1 teaspoon pure vanilla extract, ⅔ cup white sugar
Melt unsalted butter in the microwave, then allow it to cool slightly and whisk into the other wet ingredients. Set aside.
6 tablespoons unsalted butter
Add all purpose flour, baking powder, salt, pumpkin pie spice and ground cinnamon to a separate mixing bowl and whisk everything together.
1 & ¾ cups all purpose flour, 1 & ¼ teaspoons baking powder, ½ teaspoon salt, 1 & ½ teaspoons pumpkin pie spice, ½ teaspoon ground cinnamon
Transfer dry ingredients to the bowl containing wet ingredients and fold together with a spatula. Avoiding overmixing! It's okay if the batter is thick and lumpy.
Place paper liners in a 12 count muffin pan or coat with generously with non-stick cooking spray. Divide batter evenly between the cavities.
Bake 20-25 minutes, or until a toothpick comes out clean. Allow muffins to cool on a wire rack, then enjoy!