1. Toss frozen berries with 2 tablespoons flour.
2. Stir together 2 1/4 cups flour, baking powder, cinnamon, and salt.
3. Whisk together mashed banana, eggs, brown sugar, melted butter and vanilla extract; add to the dry ingredients, stirring just until moistened.
4. Fold in the blueberries.
5. Spoon into a lightly greased 12-cup muffin pan, filling two-thirds full. Bake at 375 degrees for 20 minutes or until golden brown.
Go to full version of