Preheat oven to 325°F and line a baking sheet with parchment paper.
Combine peanut butter, sugar, vanilla, baking soda and sea salt in a mixing bowl.
Stir in chocolate chips, if using.
Use a cookie scoop to scoop cookie dough onto the prepared baking sheet. Top with additional chocolate chips if desired.
Bake for 10 minutes. Remove from the oven and allow cookies to cool on a wire cooling rack.
Notes
Storing: Store any leftover cookies in an airtight container at room temperature for 5 days, in the fridge for 1 week or in the freezer for up to 3 months. Thaw at room temperature or enjoy them straight from the freezer!