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Brownie Mix Cookies – The Easiest, Fudgiest Cookies Ever!

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  • Author: Sue
  • Prep Time: 10 minutes
  • Cook Time: 10 minutes
  • Total Time: 20 minutes
  • Yield: 20–24 cookies
  • Category: Dessert, Cookies
  • Method: Baked
  • Cuisine: American
  • Diet: Vegetarian

Description

Brownie Mix Cookies are the ultimate quick and easy dessert—fudgy like a brownie, chewy like a cookie, and made with just a few pantry ingredients. Using a boxed brownie mix, these cookies come together in under 20 minutes and deliver rich, chocolatey goodness with crisp edges and gooey centers.


Ingredients

  • 1 box brownie mix (1820 oz)
  • 1/4 cup all-purpose flour
  • 2 large eggs
  • 1/4 cup vegetable oil
  • 1 tbsp water (optional, to loosen dough)
  • 1/2 cup chocolate chips, chopped nuts, or mix-ins (optional)

Instructions

  1. Preheat oven: Preheat oven to 350°F (175°C) and line a baking sheet with parchment paper.
  2. Mix dough: In a mixing bowl, combine brownie mix, flour, eggs, and oil. Stir until a thick dough forms. If the dough is too stiff, add 1 tbsp of water.
  3. Add mix-ins: Fold in chocolate chips, nuts, or other desired mix-ins.
  4. Scoop: Drop tablespoon-sized scoops of dough onto prepared baking sheet, spacing them a couple inches apart.
  5. Bake: Bake for 8–10 minutes, just until edges are set and centers look slightly underbaked.
  6. Cool: Let cookies sit on the baking sheet for 5 minutes before transferring to a wire rack to cool completely.

Notes

  • Don’t overbake—slightly underdone centers give the best fudgy texture.

  • Flatten dough balls slightly before baking for a wider cookie.

  • Sprinkle with flaky sea salt before baking for a gourmet twist.

  • Chill dough for thicker cookies or to prep ahead of time.