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Gluten-Free Peanut Butter Marshmallow Cookies Recipe

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4.1 from 8 reviews

Soft and pillowy gluten-free peanut butter marshmallow cookies that melt in your mouth. Perfect for the holiday season, these cookies combine creamy peanut butter with fluffy mini marshmallows for a chewy, delightful treat that is naturally gluten-free, low in lactose, and low in salt.

Ingredients

Dry Ingredients

  • 1 ¼ cups Gluten-Free Flour (can substitute all-purpose flour)
  • 1 teaspoon Baking Soda
  • ½ teaspoon Sea Salt

Wet Ingredients

  • ½ cup Unsalted Butter, softened
  • ½ cup Granulated Sugar
  • ¾ cup Brown Sugar, packed
  • ¾ cup Creamy Peanut Butter
  • 1 Large Egg
  • 2 teaspoons Vanilla Extract

Add-ins

  • 1 ¼ cups Mini Marshmallows, frozen

Instructions

  1. Prepare Marshmallows: Place the mini marshmallows in an airtight container and freeze them for a few hours prior to baking. This keeps them firm for better texture in the cookies.
  2. Preheat Oven: Heat your oven to 350°F (175°C) to ensure it’s ready when your dough is mixed.
  3. Mix Dry Ingredients: In a medium bowl, whisk together the gluten-free flour, baking soda, and sea salt to combine evenly. Set this mixture aside.
  4. Cream Butter and Sugars: In a larger bowl, use a hand mixer to whisk softened butter, granulated sugar, and brown sugar until light and fluffy.
  5. Add Wet Ingredients: Mix in the creamy peanut butter, egg, and vanilla extract into the butter and sugar mixture until fully incorporated.
  6. Fold in Marshmallows: Quickly fold the frozen mini marshmallows into the wet ingredients before they defrost to maintain their shape in the cookie dough.
  7. Combine Mixtures: Add the dry ingredient mixture to the wet ingredients and stir until a cookie dough forms.
  8. Prepare Baking Sheet: Line a baking sheet with parchment paper for an easy cleanup and to prevent sticking.
  9. Scoop Dough: Use a large cookie scoop or spoon to portion dough balls about 2-3 tablespoons each. Place them 1-2 inches apart on the prepared sheet to allow spreading.
  10. Bake Cookies: Bake in preheated oven for 10 to 11 minutes until edges are set but centers remain soft.
  11. Cool Cookies: Remove from oven and let cookies cool on the baking sheet for 10 minutes; they will continue baking as they cool and become perfectly chewy.
  12. Serve and Store: Enjoy the cookies once cooled. Store any leftovers in an airtight container in the refrigerator for up to one week.

Notes

  • Freezing marshmallows before mixing helps them hold their shape and texture during baking.
  • Spacing cookies 1-2 inches apart ensures even baking without sticking together.
  • If you don’t have a cookie scoop, a spoon works just fine for portioning dough.
  • Use gluten-free flour to keep the recipe gluten-free, but all-purpose flour can be substituted if gluten is not a concern.
  • Cookies will soften further as they cool, so avoid overbaking.
  • Store leftovers refrigerated to maintain freshness and texture.