Preheat oven to 425 degrees. Prepare a muffin pan with liners and set aside.

Combine avocado flesh, lime juice, lime zest, maple syrup, and bananas in the bowl of food processor and blend until smooth. 

In a large bowl combine sifted flour, baking powder, and salt. 

Pour avocado mixture into the flour bowl and stir just to combine. 

Scoop batter into wells of muffin pan.

Bake for 5 minutes at 425 degrees.

Then lower temperature to 375 degrees and continue to bake for 20-22 minutes longer or until toothpick inserted comes out clean. 

Allow to cool for 10 minutes before removing from pan to continue cooling on a wire rack.