Prepare muffin tin with baking cups and non-stick cooking spray. Preheat oven to 425F.
Peel and mash bananas.
Add melted "butter," milk, aquafaba and vanilla. Mix well.
Add brown sugar. Mix to combine.
Add flour, salt, leavening (baking powder and baking soda) and spices. Mix until just combined.
Gently fold in 1 C blueberries. Dish out batter evenly into prepared muffin tin. Top with remaining bluberries and sprinkle evenly with turbinado sugar.
Bake for 5 minutes at 425F. Drop temperature to 350F and continue to bake until wooden toothpick comes out clean, 20-25 mins.
Let cool in pan for 20 minutes, then transfer to a rack to cool the rest of the way.
Notes
Delicious served warm. Should last 5 days in an airtight container at room temperature. Can be refrigerated up to 2 weeks. Can be frozen up to 3 months.