Preheat oven to 325°F; line baking sheets with parchment.
Whisk bread flour, baking soda, and salt well in a medium bowl.
Whisk melted butter and both sugars in a large bowl until smooth.
Vigorously whisk in egg, yolk, and vanilla until glossy and well combined.
Stir dry ingredients into wet with a wooden spoon or spatula just until combined.
Fold in chocolate chips; refrigerate 15 minutes to firm slightly.
Roll 1/4 cup portions into tall balls; place 3 inches apart on prepared sheets.
Bake 12-13 minutes, until edges are golden brown and centers look slightly underbaked. Cool on sheets 10 minutes; transfer to wire racks.