Air-Fryer:

Preheat air-fryer to 360°F. Prepare cookie dough as directed. On a 7-inch square piece of foil, pat dough out to a 4-inch circle. Place in air-fryer basket and cook 6 to 8 minutes or until golden. Using foil, lift out cookie. Cool on foil at least 5 minutes before serving.

Toaster Oven:

Preheat toaster oven to 350°F. On a 7-inch square piece of foil, pat dough out to a 4-inch circle. Place on pan and bake 7 to 9 minutes or until golden. Remove from pan and cool on foil at least 5 minutes before serving.

Replace butter with a plant-based substitute and the egg product with aquafaba (brine from canned chickpeas). Use vegan chocolate chips.

Before baking, sprinkle cookie with flaky sea salt.

Chocolate Chip Walnut

Replace 1 Tbsp. chocolate chips with 1 Tbsp. toasted chopped walnuts.

Triple Chocolate

Use a mixture of 1 Tbsp. each white, milk, and semisweet or dark chocolate chips.

Replace chocolate chips with candy-coated chocolate pieces.

White Chocolate-Cranberry

Replace 3 Tbsp. semisweet chocolate chips with 2 Tbsp. white chocolate chips plus 1 Tbsp. dried cranberries (snipped if large).