Preheat oven to 350°F and line a baking sheet with parchment paper or aluminum foil
In a medium bowl, mix together the flour, salt, and baking soda. Set aside.
Cream butter, granulated sugar, and brown sugar together until fluffy
Mix in egg and vanilla extract until evenly combined
Add flour mixture in batches, combining well between each batch
Fold in chocolate chunks. There may be too many chocolate chunks to thoroughly incorporate into the dough. Press any leftover chunks on the top of cookie dough balls before baking
Place 3 tbsp-sized scoops of dough on the baking sheet, about 2 inches apart
Sprinkle with sea salt and bake for ~12-14 minutes or until dough is slightly golden brown
Allow to cool before serving