Soft and Chewy Fluffernutter Cookies Recipe
Introduction
These Soft and Chewy Fluffernutter Cookies combine the classic flavors of peanut butter and marshmallow fluff in a delightful, chewy treat. Perfect for satisfying your sweet tooth, they’re easy to make and wonderfully comforting.

Ingredients
- 1 cup creamy peanut butter
- 1 cup granulated sugar
- 1 cup brown sugar, packed
- 2 large eggs
- 1 teaspoon vanilla extract
- 2 cups all-purpose flour
- 1 teaspoon baking soda
- 1/2 teaspoon salt
- 1 cup marshmallow fluff
Instructions
- Step 1: Preheat your oven to 350°F (175°C).
- Step 2: In a large bowl, mix together the peanut butter, granulated sugar, and brown sugar until smooth.
- Step 3: Add the eggs and vanilla extract, and mix until well combined.
- Step 4: In a separate bowl, whisk together the flour, baking soda, and salt.
- Step 5: Gradually add the dry ingredients to the wet ingredients, mixing until just combined.
- Step 6: Fold in the marshmallow fluff gently.
- Step 7: Drop spoonfuls of dough onto a baking sheet lined with parchment paper.
- Step 8: Bake for 10-12 minutes or until the edges are lightly golden.
- Step 9: Allow to cool on the baking sheet for a few minutes before transferring to a wire rack to cool completely.
Tips & Variations
- For extra gooey cookies, add a dollop of marshmallow fluff on top of each cookie before baking.
- Try using chunky peanut butter for added texture.
- Substitute half the all-purpose flour with oat flour for a slightly nuttier flavor.
Storage
Store cookies in an airtight container at room temperature for up to 5 days. To keep them soft, place a slice of bread in the container to maintain moisture. Reheat briefly in the microwave if you prefer them warm.
How to Serve

Serve this delicious recipe with your favorite sides.
FAQs
Can I use natural peanut butter instead of creamy?
Yes, but natural peanut butter may make the dough a bit less smooth. Stir well before measuring, and expect a slightly different texture.
What can I substitute for marshmallow fluff?
If you don’t have marshmallow fluff, melted marshmallows or mini marshmallows can work as a substitute, though the texture may vary slightly.
Print
Soft and Chewy Fluffernutter Cookies Recipe
- Total Time: 27 minutes
- Yield: 24 cookies 1x
Description
Soft and Chewy Fluffernutter Cookies combine creamy peanut butter with sweet marshmallow fluff for a delightful, nostalgic treat. These cookies are chewy on the inside with just the right amount of golden crisp edges, making them perfect for peanut butter lovers craving a soft, flavorful cookie with a classic fluff twist.
Ingredients
Wet Ingredients
- 1 cup creamy peanut butter
- 2 large eggs
- 1 teaspoon vanilla extract
- 1 cup marshmallow fluff
Dry Ingredients
- 1 cup granulated sugar
- 1 cup brown sugar, packed
- 2 cups all-purpose flour
- 1 teaspoon baking soda
- 1/2 teaspoon salt
Instructions
- Preheat the Oven: Preheat your oven to 350°F (175°C) to ensure it reaches the proper temperature before baking the cookies.
- Mix Wet Ingredients: In a large bowl, combine the creamy peanut butter, granulated sugar, and brown sugar. Mix until smooth and well incorporated.
- Add Eggs and Vanilla: Add the eggs and vanilla extract to the peanut butter mixture and mix thoroughly until the batter is smooth and consistent.
- Combine Dry Ingredients: In a separate bowl, whisk together the all-purpose flour, baking soda, and salt to ensure even distribution of leavening agents and seasoning.
- Incorporate Dry Ingredients: Gradually add the dry ingredients into the wet mixture, stirring gently until just combined to avoid overmixing and maintaining cookie tenderness.
- Fold in Marshmallow Fluff: Carefully fold in the marshmallow fluff, taking care not to deflate it, to add a light, sweet texture to the dough.
- Shape Cookies: Drop spoonfuls of dough onto a baking sheet lined with parchment paper, spacing them adequately to allow for spreading.
- Bake Cookies: Bake in the preheated oven for 10-12 minutes or until the edges turn lightly golden brown, indicating doneness.
- Cool Cookies: Let the cookies cool on the baking sheet for a few minutes to firm up, then transfer them to a wire rack to cool completely before serving.
Notes
- Do not overmix the dough once the flour is added to keep the cookies soft and chewy.
- You can substitute creamy peanut butter with natural peanut butter for a healthier twist, but the texture may vary slightly.
- Store cookies in an airtight container to maintain freshness and softness.
- For a more pronounced marshmallow flavor, gently swirl some extra marshmallow fluff on top of each cookie before baking.
- Prep Time: 15 minutes
- Cook Time: 12 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American
Keywords: fluffernutter cookies, peanut butter cookies, marshmallow cookies, soft chewy cookies, homemade cookies, dessert

