- Pre-heat the oven to 350F.  
- Combine flour, baking soda, cinnamon, ginger, nutmeg and salt 
- Combine granulated sugar, brown sugar, coconut oil, eggs and butter in a large mixing bowl.  
- Combine pumpkin puree, mashed banana and vanilla extract. 
- Mix wet ingredients until combined. 
- Add wet ingredients to the dry ingredients. 
- Fold together but do not over mix. Mix until no dry flour is visible. 
- Grease muffin pan with some coconut oil or spray oil. 
- Fill muffin tin sections with about 3/4 of batter. 
- Bake for 15-20 min. Check at 15 and insert toothpick to check for doneness. Clean toothpick means they are ready to be removed. Cook 1-2 min more until you get a passing toothpick test.