Imagine sinking your teeth into a warm, gooey Peanut Butter Marshmallow Cookie, where the rich flavors of nutty peanut butter and sweet marshmallow collide in perfect harmony. The moment you take a bite, the soft cookie practically melts in your mouth, leaving you with a delightful sweetness that lingers long after.

These cookies are not just a treat; they are a nostalgic trip down memory lane, reminding me of lazy weekends spent baking with my friends. Picture this: flour flying everywhere, laughter echoing in the kitchen, and a race to see who could sneak the most cookie dough before it hit the oven. Perfect for family gatherings or cozy nights in, these cookies will have everyone clamoring for seconds!
Why You'll Love This Recipe
- These Peanut Butter Marshmallow Cookies are incredibly easy to whip up, making them perfect for busy bakers
- Their unique flavor profile combines nutty richness and sweet marshmallow creaminess
- Visually appealing with their puffy texture and golden hue, they’ll impress anyone who sees them
- Plus, they’re versatile enough to pair with ice cream or coffee!
Baking these cookies always leaves my friends wanting more; one bite always leads to another! For more inspiration, check out this more dessert recipes recipe.
Essential Ingredients
Here’s what you’ll need to make this delicious dish:
- All-Purpose Flour: The backbone of any cookie recipe; use fresh flour for best results.
- Granulated Sugar: This adds sweetness and helps achieve that lovely chewy texture.
- Brown Sugar: For moisture and a hint of caramel flavor—don’t skip it!
- Baking Soda: This little helper ensures your cookies rise beautifully.
- Salt: A pinch enhances all the flavors; trust me on this one!
- Unsalted Butter: Use softened butter for easy mixing; it adds richness too.
- Peanut Butter: Go for creamy peanut butter for a smooth texture throughout.
- Eggs: They bind everything together; room temperature eggs work best.
- Vanilla Extract: Adds an aromatic depth that makes every bite unforgettable.
- Mini Marshmallows: The star of the show—they melt into gooey pockets of sweetness!
The full ingredients list, including measurements, is provided in the recipe card directly below.

How to Make Peanut Butter Marshmallow Cookies
Preheat Your Oven: Start by preheating your oven to 350°F (175°C). Line two baking sheets with parchment paper; this prevents any sticky situations later on.
Mix Dry Ingredients: In a medium bowl, whisk together flour, baking soda, and salt until well combined. This step ensures even distribution of ingredients.
Cream Butter and Sugars: In a large mixing bowl, beat softened butter with granulated sugar and brown sugar until light and fluffy—about 3 minutes. You want it airy!
Add Peanut Butter and Eggs: Mix in creamy peanut butter until fully incorporated. Then add eggs and vanilla extract; beat until smooth. The combination here is simply divine!
Combine Wet and Dry Ingredients: Gradually add your dry mixture to the wet ingredients while mixing on low speed. You’re looking for a cohesive dough that’s slightly sticky but manageable.
Add Mini Marshmallows: Gently fold in mini marshmallows using a spatula—this is where the magic happens! You’ll want those melty treasures evenly distributed throughout the dough.
Scoop and Bake: Using a cookie scoop or tablespoon, drop rounded balls of dough onto prepared baking sheets about two inches apart. Bake for 10-12 minutes until edges are golden but centers look slightly underbaked.
Let these beauties cool on the baking sheet for five minutes before transferring them to wire racks. Enjoy their heavenly aroma filling your kitchen!
If you follow these steps closely, you’ll create delicious Peanut Butter Marshmallow Cookies that will disappear faster than you can say “cookie monster.” Happy baking! For more inspiration, check out this delicious dessert ideas recipe.
You Must Know
- These Peanut Butter Marshmallow Cookies are not only delicious but also a crowd-pleaser
- The creamy peanut butter paired with soft marshmallows creates a heavenly treat that’s perfect for any occasion
- Enjoy the delightful aroma while baking that will have everyone rushing to the kitchen!
Perfecting the Cooking Process
Start by creaming the peanut butter and sugar, then add eggs before folding in marshmallows. This order ensures a fluffy texture and even distribution of flavors.
Add Your Touch
Feel free to swap out regular sugar for brown sugar for a richer taste or add chocolate chips for an extra layer of sweetness. You can even use almond butter instead of peanut butter for a fun twist.
Storing & Reheating
Store cookies in an airtight container at room temperature for up to one week. For reheating, pop them in the microwave for 10 seconds to regain their gooey texture.
Chef's Helpful Tips
- Achieving the perfect Peanut Butter Marshmallow Cookies depends on attention to detail
- Always measure your ingredients accurately, as baking is a science
- Allow cookies to cool completely before storing them to maintain their chewy goodness
- Don’t skip chilling the dough; this helps prevent spreading and keeps them thick and soft!
When I first made these cookies, my friends devoured them in minutes and begged for the recipe. Their enthusiasm reminded me why I love baking—it’s all about sharing joy through food!
FAQ
What is the best way to store Peanut Butter Marshmallow Cookies?
Store them in an airtight container at room temperature for optimal freshness.
Can I freeze these cookies for later enjoyment?
Yes, you can freeze them in a sealed bag for up to three months.
How do I make these cookies gluten-free?
Substitute regular flour with gluten-free flour blend while maintaining other ingredients unchanged.

Peanut Butter Marshmallow Cookies
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- Author: Emma
- Total Time: 27 minutes
- Yield: Approximately 12 cookies 1x
Description
Savor the nostalgic flavors of Peanut Butter Marshmallow Cookies—soft, gooey, and bursting with rich peanut butter and sweet marshmallows. Perfect for family gatherings or cozy nights in, these cookies will have everyone asking for seconds. Easy to whip up and irresistibly delicious, they are sure to become a favorite in your baking repertoire.
Ingredients
- 1 cup all-purpose flour
- 1/2 tsp baking soda
- 1/4 tsp salt
- 1/4 cup unsalted butter, softened
- 1/4 cup granulated sugar
- 1/4 cup brown sugar, packed
- 1/2 cup creamy peanut butter
- 1 large egg
- 1 tsp vanilla extract
- 1 cup mini marshmallows
Instructions
- Preheat your oven to 350°F (175°C) and line two baking sheets with parchment paper.
- In a bowl, whisk together flour, baking soda, and salt.
- In a separate bowl, cream softened butter with granulated and brown sugar until light and fluffy (about 3 minutes).
- Add peanut butter, egg, and vanilla extract; mix until smooth.
- Gradually incorporate the dry ingredients into the wet mixture until combined.
- Gently fold in mini marshmallows.
- Scoop rounded balls of dough onto prepared baking sheets (2 inches apart) and bake for 10-12 minutes until edges are golden but centers look slightly underbaked.
- Cool on the baking sheet for five minutes before transferring to wire racks.
- Prep Time: 15 minutes
- Cook Time: 12 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 cookie (30g)
- Calories: 130
- Sugar: 9g
- Sodium: 60mg
- Fat: 6g
- Saturated Fat: 2g
- Unsaturated Fat: 4g
- Trans Fat: 0g
- Carbohydrates: 18g
- Fiber: <1g
- Protein: 3g
- Cholesterol: 10mg






