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Soft and Chewy Fluffernutter Cookies – Gooey, Sweet & Packed with Peanut Butter Marshmallow Flavor!

Soft and Chewy Fluffernutter Cookies


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  • Author: Jennifer
  • Total Time: 1 hour (including chilling time)
  • Yield: 24 cookies 1x
  • Diet: Vegetarian

Description

Soft and Chewy Fluffernutter Cookies that Delight Every Bite!


Ingredients

Scale
  • 2 ¼ cups all-purpose flour
  • 1 teaspoon baking soda
  • ½ teaspoon baking powder
  • ½ teaspoon salt
  • 1 tablespoon cornstarch
  • ¾ cup unsalted butter, softened
  • ¾ cup creamy peanut butter
  • ¾ cup light brown sugar, packed
  • ½ cup granulated sugar
  • 2 large eggs
  • 2 teaspoons vanilla extract
  • 1 cup peanut butter chips
  • 1 cup mini marshmallows or marshmallow fluff
  • Extra peanut butter chips for topping
  • Flaky sea salt for garnish (optional)

Instructions

  1. Preheat the oven to 350°F (175°C) and line baking sheets with parchment paper.
  2. In a medium bowl, whisk together the flour, baking soda, baking powder, salt, and cornstarch.
  3. In a large mixing bowl, beat the softened butter, peanut butter, brown sugar, and granulated sugar until light and fluffy.
  4. Add the eggs one at a time, mixing well after each addition, then stir in the vanilla extract.
  5. Gradually mix the dry ingredients into the wet ingredients until just combined.
  6. Fold in the peanut butter chips and gently swirl in the marshmallow fluff or mini marshmallows.
  7. Cover and chill the dough for at least 30 minutes for thicker cookies.
  8. Scoop the dough onto the prepared baking sheets, spacing the cookies about 2 inches apart.
  9. Add extra peanut butter chips on top for bakery-style presentation.
  10. Bake for 10 to 13 minutes until the edges are lightly golden and the centers remain soft.
  11. Let the cookies cool on the baking sheet for 5 minutes before transferring to a wire rack.
  12. Serve warm or store in an airtight container once completely cooled.

Notes

  • Chilling the dough helps in achieving thicker cookies.
  • The use of mini marshmallows yields a gooier texture compared to marshmallow fluff.
  • Adjust the baking time for softer or firmer cookies as desired.
  • Prep Time: 15 minutes
  • Cook Time: 13 minutes
  • Category: Dessert
  • Method: Baking
  • Cuisine: American

Nutrition

  • Serving Size: 1 cookie
  • Calories: 180
  • Sugar: 10g
  • Sodium: 120mg
  • Fat: 8g
  • Saturated Fat: 4g
  • Unsaturated Fat: 2g
  • Trans Fat: 0g
  • Carbohydrates: 24g
  • Fiber: 1g
  • Protein: 3g
  • Cholesterol: 30mg