Banana Chocolate Chip Cookies

Name: Banana Chocolate Chip Cookies
Prep time: 10 min
Total time: 10 min
Cuisine: American
Ingredients: 1 medium ripe banana; 1 c. (2 sticks) butter; 2/3 c. dark brown sugar; 2/3 c. granulated sugar; 2 large egg yolks; 1 tsp. vanilla extract; 1 1/2 c. all-purpose flour; 1 tsp. kosher salt; 1/2 tsp. baking soda; 1 c. chopped pecans or walnuts; 1 c. chopped semi- or bittersweet chocolate or chocolate chips; Flaky sea salt