Preheat oven to 350°F. Line baking sheets with parchment paper.

In a bowl, whisk together the flour, baking soda, and salt.

Cream together the softened butter, brown sugar, and granulated sugar until light and fluffy.

Add the egg and vanilla extract to the creamed mixture, and beat until combined.

Mix in the mashed bananas until well incorporated.

Gradually add the dry ingredients to the wet ingredients, mixing until just combined.

Fold in the chocolate chips.

Drop spoonfuls of dough onto prepared baking sheets. Top with additional chocolate chips if desired.

Bake for 10 minutes or until edges are golden. Cool on wire racks.