Prep: Preheat the oven to 325°F and line a couple of baking sheets with parchment. Set aside.
Cream butter and sugars: In a stand mixer fitted with the paddle attachment, cream together the softened butter, granulated sugar, and brown sugar until light and fluffy, about 2–3 minutes.
1 cup granulated sugar, ¾ cup light brown sugar, 1 cup softened butter
Eggs and vanilla: Add the eggs one at a time, mixing well after each. Stir in the vanilla extract.
2 eggs, 1 Tbsp. vanilla extract
Dry ingredients: In a separate bowl, whisk together the flour, baking soda, cornstarch, and salt. Slowly add the dry ingredients to the wet, mixing just until combined.
3 cups all-purpose flour, 1 tsp. baking soda, 1 Tbsp. cornstarch, ¾-1 tsp. fine salt
Add in potato chips: Gently fold in about 2 cups of the crushed chocolate potato chips for a little salty chocolate-y crunch baked right into the dough. Save the rest of the chocolate potato chips for decorating later.
Bake: Scoop dough (about 2 Tbsp. each) and place 2 inches apart on the baking sheets. Bake for 11–13 minutes, or until the edges are lightly golden. The centers should still look soft and slightly underdone; that's the secret to chewy cookies! They will continue to set as they cool.
Tip: For perfectly round cookies, run a round cookie cutter or glass around the edges right after baking. I always do this!
Cool: Add a few more potato chips on top for finishing, and a sprinkle of flaky sea salt. Let cookies cool for a few minutes on the cookie sheet, then transfer to a wire rack. ENJOY!!
Maldon salt