Can I freeze the cookie dough and bake the cookies later?
Yes. Portion the dough onto a parchment-lined sheet, freeze until solid, then transfer the scoops to a zip-top bag for up to 2 months; bake straight from frozen, adding about 2 minutes to the usual time (or thaw overnight in the fridge for slightly rounder cookies). This make-ahead step preserves flavor and chew while giving you fresh-baked cookies on demand.
Can I make these cookies gluten-free, and which flour blend works best for a similar texture?
Yes—simply replace the all-purpose flour with a certified 1:1 gluten-free baking blend that already contains xanthan or guar gum (e.g., Cup4Cup, King Arthur Measure-for-Measure, or Bob’s Red Mill 1-to-1). Use the same volume, but give the batter an extra 5-minute rest before scooping to let the starches hydrate; the cookies bake up with virtually the same spread, chew, and soft center.
How should I adjust the recipe for high-altitude baking?
At elevations above roughly 5,000 ft, use 2–3 Tbsp extra flour, reduce the baking soda to ¾ tsp and each sugar by about 1 Tbsp, and add 1 Tbsp milk or water to keep the dough pliable. Bake at 365 °F (185 °C) instead of 350 °F, checking 1–2 minutes earlier; these tweaks counter quicker evaporation and faster rise so the cookies hold shape yet stay chewy.