There's nothing quite like the aroma of cookies baking in the oven, and as I pulled my latest batch of Reese’s Marshmallow Peanut Butter Chip Cookies from the heat, I couldn't help but smile. These cookies showcase the perfect harmony of rich peanut butter, gooey marshmallows, and delightful chunks of Reese’s, offering a taste that’s hard to resist. Not only are they quick to make—just 12 minutes from start to finish—but they also serve as a delightful crowd-pleaser for any gathering. Whether you're looking to satisfy a sweet tooth after dinner or impress guests at your next potluck, these treats are sure to become your new favorite indulgence. Curious how these sweet morsels come together? Let’s dive into the recipe!

Why Are These Cookies So Irresistible?
Decadent Flavor: Rich peanut butter and gooey marshmallows come together for a chocolatey experience that will have your taste buds dancing.
Quick and Easy: In just 12 minutes, you can whip up a batch of these delicious cookies, making them perfect for sudden cravings or impromptu gatherings.
Crowd-Pleaser: These cookies are bound to impress family and friends at parties or potlucks, competing with any Oatmeal Cookies or sophisticated dessert.
Customizable: Swap chocolate chips for white chocolate or butterscotch, or try crunchy peanut butter for an added crunch; the possibilities are endless!
Gluten-Free Options: Easily modify the recipe with gluten-free flour, making these treats accessible for everyone.
Memory Maker: Baking cookies fills your home with an irresistible aroma, creating moments of joy that bring friends and family together. Make sure to enjoy with a glass of milk or warm coffee for the ultimate treat!
Reese’s Marshmallow Peanut Butter Chip Cookies Ingredients
For the Cookie Base
• Butter (½ Cup, softened) – Provides richness and moisture; opt for unsalted for better control over salt.
• Peanut Butter (¾ Cup) – These cookies shine with the primary flavor; almond butter can offer a nutty twist.
• Brown Sugar (1 ¼ Cups) – Sweetens and ensures a soft texture; pack it tightly for accurate measuring.
• Milk (3 Tablespoons) – Enhances dough moisture; use a non-dairy alternative for a smooth dairy-free option.
• Vanilla Extract (1 Tablespoon) – Adds delightful depth; totally optional, but it’s a recommend for a flavorful boost.
• Egg (1 Large) – Essential for binding the ingredients; room temperature eggs integrate better into the mix.
• Flour (1 ¾ Cups) – Forms the cookie’s structure; consider a gluten-free flour blend if preferred.
• Baking Soda (¾ teaspoon) – This small ingredient helps the cookies rise to fluffy perfection.
For the Mix-Ins
• Chocolate Chips (1 Cup) – Introduces extra chocolatey indulgence; semi-sweet or dark varieties bring richness.
• Reese’s Peanut Butter Cups (8, chopped) – Chunks of chocolate and peanut butter create bliss; stick to regular-sized cups for optimal taste.
• Mini Marshmallows (1 ½ Cups) – Contribute that signature gooeyness; ensure gluten-free options if needed.
Enjoy crafting these irresistible Reese’s Marshmallow Peanut Butter Chip Cookies and watch them disappear in a flash!
Step‑by‑Step Instructions for Reese’s Marshmallow Peanut Butter Chip Cookies
Step 1: Preheat the Oven
Begin by preheating your oven to 375°F (190°C). While it's warming up, line a large baking sheet with parchment paper or a silicone mat to prevent the scrumptious cookies from sticking. This preparation sets the stage for a baking adventure filled with delightful aromas and flavors.
Step 2: Cream the Butters
In a stand mixer, combine the softened butter and creamy peanut butter. Beat the mixture on medium speed for about 1 minute until it's well-blended and smooth. This step creates a rich base for your Reese’s Marshmallow Peanut Butter Chip Cookies, ensuring every bite is packed with flavor.
Step 3: Add the Brown Sugar
Gradually incorporate the packed brown sugar into the peanut butter mixture and mix for an additional 2 minutes, letting the ingredients fluff up together. This process not only sweetens the dough but also contributes to the cookies’ soft, chewy texture, making them irresistible.
Step 4: Mix in the Wet Ingredients
Next, add the milk, vanilla extract, and room-temperature egg to the batter. Mix on low speed until the ingredients are fully combined and the mixture is smooth. The addition of these wet ingredients helps bind everything together, creating a luscious cookie dough.
Step 5: Combine the Dry Ingredients
In a separate bowl, whisk together the flour and baking soda to combine thoroughly. Gradually add this dry mixture into the wet mixture in the stand mixer, blending at low speed until just incorporated. This step is crucial for achieving that perfect dough consistency for your cookies.
Step 6: Fold in the Goodies
Using a spatula, gently fold in the chocolate chips, chopped Reese’s Peanut Butter Cups, and mini marshmallows. Be careful not to overmix; you want those delightful chunks to be evenly distributed throughout the dough, adding bursts of flavor to every bite of your Reese’s Marshmallow Peanut Butter Chip Cookies.
Step 7: Scoop and Bake
Scoop generous tablespoons of dough onto your prepared baking sheet, spacing them about 2 inches apart. Bake in the preheated oven for about 7 minutes, until the edges are lightly golden but the centers remain soft. Keep an eye on them, as they’ll continue to bake slightly after being removed from the oven.
Step 8: Cool the Cookies
Allow the cookies to cool on the baking sheet for 5 minutes before transferring them to a wire rack. This cooling period allows them to set properly, resulting in perfect, chewy centers and crispy edges. Enjoy the delightful aroma that fills your kitchen as they cool!

What to Serve with Reese’s Marshmallow Peanut Butter Chip Cookies
There's nothing like creating a delightful spread that elevates these sweet, gooey cookies to ultimate indulgence.
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Crispy Vanilla Ice Cream: A scoop of vanilla ice cream adds a creamy contrast to the chewy cookies, enhancing that peanut butter flavor. It’s a classic combination that redefines dessert bliss.
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Chocolate Milkshake: This rich, thick shake pairs beautifully with the cookies, enticing every taste bud. The chocolate and peanut butter notes mingle, creating an unforgettable treat.
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Fresh Berries: Juicy strawberries or tart raspberries provide a refreshing burst that cuts through the sweetness of the cookies, balancing flavors and adding a pop of color.
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Creamy Yogurt Parfait: Layer yogurt with granola and fresh fruits alongside your cookies for a light, satisfying treat. The creaminess pairs wonderfully with the crunchy cookie texture.
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Smooth Nutella Drizzle: Drizzling warm Nutella over your cookies adds a luxurious touch, intensifying the flavors and inviting extra indulgence. Perfect for those chocolate lovers!
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Caffeine Fix: Pair these cookies with a warm cup of coffee or a frothy latte for a delightful afternoon pick-me-up. The rich coffee flavor complements the peanut butter beautifully.
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Chilled Lemonade: A refreshing glass of sweet and tangy lemonade offers a pleasant contrast to the cookies' richness. Its zesty flavor invigorates, perfect for warm days!
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Salted Caramel Sauce: Adding a drizzle of salted caramel ups the decadence of your cookies. The sweet and salty flavors create an irresistible combination that no one can resist!
Expert Tips for Reese’s Marshmallow Peanut Butter Chip Cookies
- Avoid Overbaking: Keep a watchful eye while baking; cookies will continue cooking after removal. Aim for a lightly golden hue for the best texture.
- Sticky Situation: To prevent sticking, use parchment paper or silicone baking mats, especially important with gooey marshmallows in the dough.
- Perfect Portioning: Use a #60 scoop (1 tablespoon) for consistent cookie sizes; this generally yields about 30 cookies—ideal for sharing!
- Room Temperature Egg: Be sure to use an egg at room temperature; it blends more easily, helping with consistent dough texture in your Reese’s Marshmallow Peanut Butter Chip Cookies.
- Creative Mix-Ins: Experiment! Swap chocolate chips for butterscotch or white chocolate, or try using crunchy peanut butter for added texture.
- Gluten-Free Option: Substitute regular flour with a gluten-free blend for a delicious alternative suitable for everyone at your table.
Reese’s Marshmallow Peanut Butter Chip Cookies Variations
Feel free to personalize your cookies and make them uniquely yours with these fun twists!
- Gluten-Free: Use a high-quality gluten-free flour blend in place of regular flour for a satisfying treat.
- Nutty Delight: Swap creamy peanut butter for crunchy peanut butter to enjoy added texture in every bite. The crunch pairs beautifully with the marshmallows!
- Dairy-Free: Replace butter with coconut oil and milk with almond milk for a dairy-free version that’s equally delicious. Every bite bursts with tropical goodness.
- Marshmallow Lovers: Add an extra half cup of mini marshmallows into the dough for an indulgent, gooey treat. The more marshmallows, the merrier!
- Choco-Butterscotch Bliss: Substitute chocolate chips with butterscotch chips for a different flavor profile that complements the peanut butter beautifully. The sweet butterscotch will enchant any crowd!
- Flavor Boost: Mix in a pinch of sea salt or a dash of cinnamon for a new flavor dimension that enhances the sweet, nutty goodness. A little sprinkle goes a long way!
- Fun Mix-Ins: Experiment with add-ins like crushed pretzels or even toffee bits for a textural surprise. Imagine the sweet and salty crunch washing over your taste buds!
- Seasonal Spin: Dice up seasonal candies like M&Ms for special holidays, making every batch a fun celebration with a pop of color. Your guests will love the festive twist!
Also, if you're in the mood for something equally delicious, don't forget to check out our White Chocolate Cookies or treat yourself to some Garlic Butter Steak after your sweet indulgence!
Storage Tips for Reese’s Marshmallow Peanut Butter Chip Cookies
Room Temperature: Store cookies in an airtight container at room temperature for up to 1 week. This keeps them fresh and chewy, perfect for snacking anytime.
Fridge: If you prefer them chilled, place the cookies in a sealed container in the fridge for up to 2 weeks. They’ll have a firmer texture, great for a cool treat!
Freezer: To enjoy these cookies longer, flash freeze them on a baking tray for 1-2 hours, then transfer to a freezer bag. They can be frozen for up to 3 months.
Reheating: When ready to enjoy, reheat frozen cookies in the microwave for about 15-20 seconds or bake in a preheated oven at 350°F (175°C) for 5-7 minutes for a freshly baked feel.
Make Ahead Options
These Reese's Marshmallow Peanut Butter Chip Cookies are perfect for meal prep, making your busy weeknights a little sweeter! You can prepare the cookie dough up to 24 hours in advance; simply mix all the ingredients and divide the dough into individual scoops, then cover it tightly and refrigerate. To maintain their delightful texture, make sure to keep the dough well-wrapped to prevent drying out. When you're ready to bake, simply place the cookie dough on a baking sheet and bake them straight from the fridge for about 7-8 minutes. This allows you to indulge in freshly baked cookies with minimal effort, making your snacking experience just as delicious!

Reese’s Marshmallow Peanut Butter Chip Cookies Recipe FAQs
How do I choose the best peanut butter for this recipe?
Absolutely! For these cookies, I recommend using creamy peanut butter for a smooth texture. However, if you prefer a chunkier bite, crunchy peanut butter will work beautifully too! Just make sure your choice doesn’t contain added sugar or oils for the best flavor.
What’s the best way to store leftover cookies?
Very! To keep your Reese’s Marshmallow Peanut Butter Chip Cookies fresh, store them in an airtight container at room temperature for up to 1 week. If you want them to last longer, pop them in the fridge where they can stay good for up to 2 weeks or longer in an airtight container.
Can I freeze the cookie dough for later use?
Yes, indeed! To freeze the dough, scoop individual portions onto a baking tray and flash freeze them for about 1-2 hours. Once frozen, transfer the cookie dough balls to a freezer bag and label them. They can be frozen for up to 3 months. When you're ready to bake, simply bake them straight from the freezer, adding an additional minute or two to the baking time!
What should I do if my cookies turn out too flat?
If your cookies spread too much, there are a few troubleshooting tips to consider. First, ensure your butter is softened but not melted—this might make your cookies flatten out. Additionally, chilling the cookie dough in the fridge for about 30 minutes can help prevent excessive spreading. Finally, always double-check your measurements, especially with the flour and baking soda, to ensure accuracy.
Are there any dietary considerations I should be aware of?
Very much! If you or your guests have gluten sensitivities, you can easily make these cookies gluten-free by swapping regular flour with a gluten-free flour blend. Additionally, check that your mini marshmallows and chocolate chips are certified gluten-free. Always double-check ingredient labels for allergens, especially if you're serving these cookies to guests with specific dietary needs!
How do I know when my cookies are perfectly baked?
To ensure perfect baking, keep a close eye on them! Typically, you should bake the cookies for about 7 minutes at 375°F (190°C). They will look set but should still be soft in the center when you take them out. As they cool on the baking sheet for about 5 minutes, they will firm up; just wait for a lovely golden edge while the center remains chewy. Enjoy making these delicious treats!

Irresistible Reese’s Marshmallow Peanut Butter Chip Cookies
Ingredients
Equipment
Method
- Preheat your oven to 375°F (190°C) and prepare a large baking sheet with parchment paper.
- Combine softened butter and peanut butter in a stand mixer and beat until smooth.
- Gradually incorporate brown sugar and mix for an additional 2 minutes.
- Add milk, vanilla extract, and room-temperature egg to the mix; blend until smooth.
- Whisk together flour and baking soda, then add to the wet mixture until just incorporated.
- Fold in chocolate chips, chopped Reese’s, and mini marshmallows using a spatula.
- Scoop dough onto prepared baking sheet, spacing them about 2 inches apart.
- Bake for 7 minutes until edges are lightly golden, cooling on the baking sheet for 5 minutes.





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