Step 1

In small bowl, combine flour, baking powder, baking soda, and salt and 1/2 teaspoon of cinnamon.

Step 2

Cream sugar, butter, and vanilla until light and fluffy.

Step 3

Add eggs and beat well. Stir in banana.

Step 4

Slowly mix dry ingredients into wet. Chill 30 minutes in refrigerator.

Step 5

Preheat oven to 400.

Step 6

Drop teaspoon sized balls of dough two inches apart on greased cookie sheets. Sprinkle with cinnamon/sugar mixture; if desired.

Step 7

Bake 8-10 minutes or until browned. Cool 2 minutes, then transfer to racks.