Brownie Mix Cookies from Salt & Baker are chewy, fudgy, and chocolatey treats made from boxed brownie mix with added butter, eggs, and chocolate chips.
1 box brownie mix (18–19 ounces)
1/2 cup unsalted butter, softened or melted
2 large eggs
1 teaspoon vanilla extract
1/2 cup chocolate chips or chunks
Optional: 1/2 cup chopped nuts (walnuts or pecans)
Optional: Pinch of sea salt for topping
Preheat oven to 350°F (175°C) and line a baking sheet with parchment paper.
Combine brownie mix, butter, eggs, and vanilla until smooth.
Fold in chocolate chips and optional nuts.
Scoop dough onto baking sheet, flatten slightly.
Bake 10–12 minutes until edges are set and centers remain soft.
Cool 5 minutes on baking sheet before transferring to wire rack.
Sprinkle with sea salt if desired.
Optional mix-ins include nuts, white chocolate, peanut butter, caramel, or espresso powder. Vegan and gluten-free adaptations possible.