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Irresistible Brown Butter Sourdough S’mores Cookies


  • Total Time: 57 minutes
  • Yield: 16 cookies 1x

Description

Indulge in the rich flavors of Brown Butter Sourdough S’mores Cookies! Made with nutty brown butter, tangy sourdough discard, gooey marshmallows, melty chocolate, and crisp graham crackers, these chewy cookies are a must-try twist on a classic treat.


Ingredients

Scale
  • ½ cup (1 stick) unsalted butter
  • ½ cup light brown sugar
  • ¼ cup granulated sugar
  • ½ cup sourdough discard
  • 1 large egg
  • 1 teaspoon vanilla extract
  • 1 ½ cups all-purpose flour
  • ½ teaspoon baking soda
  • ¼ teaspoon salt
  • ¾ cup dark chocolate chunks (or semi-sweet chocolate chips)
  • ½ cup mini marshmallows
  • ½ cup crushed graham crackers


Instructions

  • Brown the Butter – Melt butter over medium heat, stirring constantly until golden brown. Let cool slightly.
  • Mix the Sugars and Wet Ingredients – Whisk together brown butter, brown sugar, and granulated sugar. Add sourdough discard, egg, and vanilla; mix until smooth.
  • Combine the Dry Ingredients – In a separate bowl, whisk flour, baking soda, and salt.
  • Incorporate Dry Ingredients – Gradually stir dry mixture into wet ingredients until just combined.
  • Fold in Add-Ins – Gently mix in chocolate, crushed graham crackers, and mini marshmallows.
  • Chill the Dough – Refrigerate for at least 30 minutes.
  • Preheat Oven – Set to 350°F (175°C); line a baking sheet with parchment paper.
  • Scoop and Bake – Drop dough onto sheet, spacing 2 inches apart. Bake 10-12 minutes, until edges are golden and marshmallows caramelized.

 

  • Cool and Enjoy – Let cookies cool on the baking sheet for a few minutes, then transfer to a wire rack.

Notes

  • Nutty Addition – Add chopped pecans or walnuts for crunch.
  • Extra Chocolatey – Use half milk chocolate for a classic s’mores taste.
  • Espresso Boost – Add 1 teaspoon espresso powder for deeper flavor.

 

  • Gluten-Free – Use a 1:1 gluten-free flour blend.
  • Prep Time: 15 minutes
  • chill time: 30 minutes
  • Cook Time: 12 minutes
  • Category: dessert , cookies
  • Method: Baking
  • Cuisine: American

Keywords: brown butter cookies, sourdough discard recipe, s’mores cookies, chewy cookies, easy sourdough dessert