Method
- Preheat your oven to 350°F. Line two baking sheets with parchment paper or silicone baking mats.
- In a large mixing bowl, combine the brownie mix, oil, eggs, and vanilla extract. Stir until completely combined.
- If adding chocolate chips or other mix-ins, fold them in now.
- Scoop the dough into tablespoon-sized portions and roll into balls.
- Place the dough balls on the prepared baking sheets, spacing them about 2 inches apart.
- Bake for 10-12 minutes, until slightly underdone in the center.
- Let the cookies cool on the baking sheet for 5 minutes before transferring to a wire rack.
Notes
These cookies can be customized with various mix-ins. For a richer flavor, use melted butter instead of oil. Chilling the dough can help maintain cookie shape during baking.