Preheat oven to 400* F. Line a 12-cup muffin tin with paper liners.
In a medium bowl, combine flour, baking powder, baking soda, salt, and cinnamon. Whisk to combine.
2 Cups All-Purpose Flour, 1 ¼ teaspoon Baking Powder, ½ teaspoon Baking Soda, ½ teaspoon Kosher Salt, 1 ½ teaspoon Cinnamon
In a large bowl, combine mashed banana, brown sugar, non-dairy milk, canola oil, vanilla, and vinegar. Stir well using a spatula to combine, then add the dry ingredients and stir to form the muffin batter.
1 ¼ Cups Mashed Overripe Banana, ½ Cup Light Brown Sugar, tightly packed, ½ Cup Non-Dairy Milk, ⅓ Cup Canola Oil, 1 teaspoon Vanilla Extract, 1 teaspoon White Vinegar
Add chocolate chips or chopped walnuts and fold them into the batter until they are distributed.
¾ Cup Chocolate Chips or Chopped Walnuts
Scoop the batter into the prepared muffin tin, filling each cup about ¾ of the way full. Then, top them with a sprinkle of turbinado sugar, if using.
1 tablespoon Turbinado Sugar, optional
Bake in a 400*F oven for 16-19 minutes, or until a toothpick inserted into a muffin comes out clean.
Cool slightly then serve.