Combine in a bowl all the dry ingredients, including the nuts and mix together. In a separate bowl add the eggs and beat until frothy.

Add the oil, vanilla and mashed bananas and stir to combine.

Add the wet ingredients mixture to the dry mixture and stir just until combined.

Lightly grease muffin tins or line with paper cups, and fill to 3/4 full. Bake at 325°F for 18 to 20 minutes, or until internal temperature of muffin reaches 205°F, using an instant read thermometer.