Costco Copycat Marshmallow Cookies

RECIPES

By :

December 13, 2025

Get yours

How to make Costco Copycat Marshmallow Cookies

Making sweet treats at home can be a delightful experience, especially when those treats remind you of your favorite store-bought snacks. One such treat that often brings smiles is the Costco Marshmallow Cookies. Soft, chewy, and filled with delightful bits of marshmallow and chocolate, these cookies are a hit for all ages. Here’s how you can recreate this wonderful cookie experience right in your kitchen.

Ingredients

  • 1 cup unsalted butter, softened
  • 1 cup granulated sugar
  • 1 cup brown sugar, packed
  • 2 large eggs
  • 2 teaspoons vanilla extract
  • 3 cups all-purpose flour
  • 1 teaspoon baking soda
  • 1/2 teaspoon salt
  • 2 cups rice cereal (like Rice Krispies)
  • 2 cups mini marshmallows
  • 1 cup chocolate chips (optional)

Directions

  1. Preheat your oven to 350°F (175°C) and line a baking sheet with parchment paper.
  2. In a large mixing bowl, cream together the softened butter, granulated sugar, and brown sugar until smooth.
  3. Add the eggs one at a time, mixing well after each addition, along with the vanilla extract.
  4. In a separate bowl, whisk together the flour, baking soda, and salt.
  5. Gradually add the dry ingredients to the wet ingredients, mixing until just combined.
  6. Fold in the rice cereal, mini marshmallows, and chocolate chips if using.
  7. Scoop tablespoon-sized amounts of dough onto the prepared baking sheet, spacing them about 2 inches apart.
  8. Bake in the preheated oven for 10-12 minutes, until the edges are lightly golden.
  9. Allow the cookies to cool on the baking sheet for a few minutes before transferring them to a wire rack to cool completely.
  10. Enjoy your chewy, crispy marshmallow cookies!

Why You’ll Love This Costco Copycat Marshmallow Cookies

These cookies are not just delicious; they are incredibly easy to make. You’ll love the combination of textures—the crispy rice cereal gives a satisfying crunch, while the marshmallows create a chewy experience like no other. The cookie base itself is sweet and buttery, making each bite a treat to savor. Plus, using common ingredients found in your pantry means you can whip these up at a moment’s notice, perfect for a family gathering or a cozy night in.

Nutritional Benefits

While cookies are generally considered a treat, there are some nutritional benefits to this recipe:

| Ingredient | Benefits |
|——————-|—————————————————|
| Unsalted Butter | Provides healthy fats when consumed in moderation. |
| Brown Sugar | Contains some minerals, such as calcium and iron. |
| Eggs | Good source of protein and essential vitamins. |
| Rice Cereal | Offers a whole grain option, providing energy. |
| Mini Marshmallows | Mostly sugar, but can bring joy and satisfaction. |

These cookies can bring a little happiness and enjoyment into your day. Moderation is key, but indulging in homemade treats can be a wholesome experience.

What to Serve With Costco Copycat Marshmallow Cookies

These delightful cookies pair well with several items. Here are some suggestions:

  • Milk: A classic pairing that adds a creamy texture to each bite.
  • Coffee or Tea: The slightly bitter flavor of coffee or tea complements the sweetness of the cookies perfectly.
  • Ice Cream: Serve them warm with a scoop of your favorite ice cream for a decadent dessert.

You can even pack some of these cookies in a lunchbox with a piece of fruit for a balanced snack throughout the day.

How to Store Costco Copycat Marshmallow Cookies

To keep your cookies fresh, store them in an airtight container. Here’s how to do it properly:

  1. At Room Temperature: Place cookies in an airtight container; they will stay fresh for about a week.
  2. In the Refrigerator: You can store them in the fridge if you prefer a firmer texture. They should last up to 10 days.
  3. In the Freezer: For longer storage, freeze the cookies. You can individually wrap them in plastic wrap and place them in a freezer bag. They will stay fresh for about 2-3 months. When you are ready to enjoy them, just thaw at room temperature or warm them in the microwave for a few seconds.

Tips and Mistakes to Avoid

Baking can be tricky sometimes. Here are some tips to avoid common mistakes:

  • Do not overmix: When combining wet and dry ingredients, mix until just combined. Overmixing can lead to tough cookies.
  • Room Temperature Ingredients: Always use softened butter and eggs at room temperature. This helps in achieving a smooth batter.
  • Measurement Accuracy: Use a kitchen scale for precise measurements, especially for flour. Too much flour can make your cookies dry.
  • Don’t skip the cooling: Allow cookie dough to cool on the baking sheet before transferring. This helps them set properly and maintains the shape.

Variations

If you want to switch things up a bit, here are some fun variations to consider:

  • Add Nuts: Chopped walnuts or pecans can add a nice crunch.
  • Different Chocolate: Use white chocolate or dark chocolate chips for a richer flavor.
  • Flavored Extracts: Add a touch of almond extract for a different flavor profile.
  • Seasonal Spices: Incorporate spices like cinnamon or nutmeg for warmth, especially in fall or winter.

FAQs

1. Can I make these cookies gluten-free?
Yes, you can swap the all-purpose flour with a gluten-free flour blend. Make sure to choose a blend that contains xanthan gum for the best texture.

2. Can I use regular marshmallows instead of mini marshmallows?
Yes, you can use regular marshmallows, but you’ll need to chop them into smaller pieces to ensure even distribution in the cookies.

3. How can I tell when my cookies are done?
Look for lightly golden edges and a slightly soft center. They will continue to cook on the baking sheet after being removed from the oven.

By mastering this simple recipe for Costco Copycat Marshmallow Cookies, you can enjoy a delightful sweet treat that family and friends will love. Happy baking!

Leave a Comment