Preheat oven to 375ºF. Grease muffin cups or line with muffin liners.
Combine the all-purpose flour, brown sugar, white sugar, salt, baking powder, and cinnamon.
1½ cup all-purpose flour, ¼ cup light brown sugar, ⅓ cup white sugar, ½ teaspoon salt, 2 teaspoons baking powder, ¼ teaspoon cinnamon
Add in milk of choice, mashed banana, vanilla extract, and coconut oil and stir until just moistened. Fold in pineapple and toasted coconut.
⅓ cup coconut oil, 1 large banana, ⅓ cup coconut milk or other non-dairy milk, 1 teaspoon vanilla extract, ½ cup fresh pineapple, ½ cup unsweetened shredded coconut
Divide the batter between the muffin cups, they should be about ¾ full. Sprinkle with unsweetened flaked coconut if using.
Bake for 17 to 20 minutes in the preheated oven, or until a toothpick comes out clean. Let cool for 20 minutes in the pan before removing to cool completely on a cooing rack.