Banana Bread Cookies

재료

1 ripe banana

3/4 cup light brown sugar

1 cup melted butter (unsalted)

1 egg yolk

1 teaspoon vanilla extract

1/2 teaspoon baking soda

2 teaspoon cinnamon powder

1/2 teaspoon salt

1 1/3 cup flour (add little more if dough is too wet)

1/2 cup semi sweet chocolate chips

flaky sea salt