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Dessert / vegan marshmallows Crispy Cookies (Costco Copycat)

vegan marshmallows Crispy Cookies (Costco Copycat)

December 8, 2025 by Mia

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These vegan marshmallows Crispy Cookies (Costco Copycat) are sure to delight cookie lovers everywhere! With their crispy edges and chewy centers, these cookies are perfect for any occasion, whether it’s a casual family dessert or a festive gathering. The unique combination of brown butter and mini vegan marshmallows makes them stand out, offering a flavor that rivals even the most beloved store-bought treats.

Why You’ll Love This Recipe

  • Easy to Make: No chilling required, making preparation a breeze.
  • Delicious Flavor: The nutty taste of brown butter combined with sweet marshmallows creates an irresistible treat.
  • Versatile for Any Occasion: Perfect as a snack or dessert for parties, movie nights, or just because!
  • Kid-Friendly: Kids will love helping to mix and scoop the dough, making it a fun family activity.
  • Better than Store-Bought: Enjoy homemade cookies that taste even better than those from Costco!

Tools and Preparation

To make these delicious cookies, you’ll need a few essential tools. Having the right equipment will ensure your baking experience is smooth and enjoyable.

Essential Tools and Equipment

  • Mixing bowls
  • Medium saucepan
  • Cookie scoop
  • Baking sheet
  • Parchment paper

Importance of Each Tool

  • Mixing bowls: These are vital for combining ingredients smoothly without mess.
  • Medium saucepan: Perfect for browning the butter evenly while keeping an eye on it.
  • Cookie scoop: Ensures uniform cookie sizes for even baking.
  • Parchment paper: Prevents sticking and makes cleanup easy.
Marshmallow

Ingredients

These brown butter vegan marshmallows crispy cookies are a crispy cookie loaded with rice krispies and chewy mini vegan marshmallows with a caramel tasting brown butter dough. They are simple to make, no chilling required and taste better than Costco’s (yep! I said it)!

  • ½ cup salted butter
  • ¾ cup brown sugar
  • ½ cup granulated sugar
  • 1 large egg (room temperature)
  • 1 teaspoon vanilla (this is a good time to use vanilla paste if you have it)
  • ½ tsp baking soda
  • ¾ tsp salt
  • 1 cup all-purpose flour
  • 1½ cups rice krispie cereal
  • ⅔ cup mini vegan marshmallows
  • flaked salt for topping

How to Make vegan marshmallows Crispy Cookies (Costco Copycat)

Step 1: Preheat the Oven

Preheat your oven to 350°F. Line a baking sheet with parchment paper to prevent sticking.

Step 2: Brown the Butter

Start by browning the butter:
1. Melt ½ cup of salted butter in a medium saucepan over medium heat.
2. Continue cooking past boiling until it turns golden brown and has a nutty aroma. Stir continuously to avoid burning.
3. Once browned, pour into a bowl and cool in the fridge or freezer for about 10 minutes.

Step 3: Mix Wet Ingredients

In a medium mixing bowl:
1. Combine the cooled brown butter with both sugars (¾ cup brown sugar, ½ cup granulated sugar) using an electric mixer on low speed until smooth (about 30 seconds).
2. Add in one large egg and 1 teaspoon vanilla, mixing until well incorporated.

Step 4: Combine Dry Ingredients

Slowly add:
1. ½ tsp baking soda, ¾ tsp salt, and 1 cup all-purpose flour.
2. Mix gently until just combined; avoid overmixing.

Step 5: Fold in Rice Krispies and Marshmallows

Carefully fold in:
1. 1½ cups rice krispie cereal
2. Followed by ⅔ cup mini vegan marshmallows. Ensure they are evenly distributed throughout the dough.

Step 6: Scoop Dough onto Baking Sheet

Using a cookie scoop (about 3 tablespoons), scoop out dough balls:
1. Place them on the prepared baking sheet, leaving space between each cookie (4-5 per sheet).

Step 7: Bake the Cookies

Bake in the preheated oven for:
1. 10-13 minutes or until edges are lightly golden brown.
2. Be careful not to overbake; you want them chewy in the center.
3. Sprinkle flaked salt on top while they are still warm.

Enjoy your delicious homemade vegan marshmallows Crispy Cookies (Costco Copycat)!

How to Serve vegan marshmallows Crispy Cookies (Costco Copycat)

These delicious crispy cookies can be enjoyed in a variety of ways. Serving them creatively can enhance the experience and delight your guests. Here are some serving suggestions:

With a Glass of Milk

  • Pair these cookies with cold almond or oat milk for a classic treat that complements the flavors perfectly.

As a Dessert Platter

  • Arrange the cookies on a beautiful platter alongside fresh fruit or other desserts for an appealing display at parties.

Warmed Up with Vegan Ice Cream

  • Serve the cookies warm, topped with a scoop of your favorite vegan ice cream for an indulgent dessert.

Crumbled Over Yogurt

  • Crumble the cookies over dairy-free yogurt to add a crunchy texture and sweet flavor to your breakfast or snack.

With Coffee or Tea

  • Enjoy the cookies with your morning coffee or afternoon tea for a delightful pairing that balances sweetness and warmth.

How to Perfect vegan marshmallows Crispy Cookies (Costco Copycat)

To get the best results when making these cookies, consider these helpful tips:

  • Use room temperature ingredients: Ensure that the egg and butter are at room temperature for better mixing and texture.

  • Don’t skip browning the butter: This step adds depth of flavor, giving the cookies that rich caramel taste.

  • Measure flour accurately: Use the spoon-and-level method to avoid dense cookies caused by excess flour.

  • Watch baking time closely: Remove them from the oven when they are lightly golden around the edges for that chewy center.

  • Let them cool on the sheet: Allowing cookies to cool on the baking sheet helps maintain their shape and prevents breaking.

Best Side Dishes for vegan marshmallows Crispy Cookies (Costco Copycat)

While these crispy cookies are delightful on their own, pairing them with some side dishes can elevate your dessert experience. Here are some great options:

  1. Fresh Fruit Salad: A mix of seasonal fruits adds freshness and balances sweetness, making it a perfect companion.

  2. Vegan Chocolate Fondue: Dip pieces of cookie into melted chocolate for an extra layer of indulgence and fun.

  3. Dairy-Free Cheesecake Bites: These creamy bites provide a rich contrast to the crispy texture of the cookies.

  4. Coconut Whipped Cream: Light and fluffy, this topping enhances any dessert experience with its tropical flavor.

  5. Nut Butter Spread: A dollop of almond or peanut butter adds protein and richness, making each bite more satisfying.

  6. Granola Parfait: Layered with yogurt and granola, this dish offers crunchiness and creaminess that pairs well with sweet flavors.

Common Mistakes to Avoid

When making vegan marshmallows crispy cookies, there are a few common pitfalls. Here’s how to ensure your cookies turn out perfectly.

  • Ignoring Butter Temperature: Make sure your butter is browned properly. If it’s not golden brown with a nutty aroma, it won’t provide the right flavor. Watch closely to prevent burning.

  • Overmixing Dough: Mixing too much after adding flour can make your cookies tough. Stir just until combined for a soft and chewy texture.

  • Incorrect Measuring: Use the spoon and level method for flour to avoid dense cookies. A kitchen scale can help you get precise measurements.

  • Not Cooling Brown Butter: If you don’t cool the brown butter before mixing, it can cook the egg and change the dough’s structure. Chill it briefly in the fridge or freezer.

  • Skipping Flaked Salt: Adding flaked salt on top enhances flavor. Don’t skip this step for that perfect sweet-salty balance!

Marshmallow

Storage & Reheating Instructions

Refrigerator Storage

  • Store cookies in an airtight container for up to 5 days.
  • Keep layers separated with parchment paper to prevent sticking.

Freezing vegan marshmallows Crispy Cookies (Costco Copycat)

  • Freeze cookies in an airtight container or freezer bag for up to 3 months.
  • Place parchment paper between layers to keep them from sticking together.

Reheating vegan marshmallows Crispy Cookies (Costco Copycat)

  • Oven: Preheat to 350°F; warm cookies for about 5 minutes until soft.
  • Microwave: Heat a cookie for 10-15 seconds on a microwave-safe plate for softness.
  • Stovetop: Use a skillet on low heat, covering with a lid for a few minutes until warmed through.

Frequently Asked Questions

Here are some common questions about making vegan marshmallows crispy cookies.

How do I make vegan marshmallows Crispy Cookies (Costco Copycat) gluten-free?

You can substitute all-purpose flour with a gluten-free flour blend to make these cookies gluten-free without sacrificing taste.

Can I use margarine instead of butter?

Yes, margarine can be used in place of butter, but choose one that closely resembles the texture and flavor of traditional butter for best results.

What if I can’t find mini vegan marshmallows?

You can chop regular-sized vegan marshmallows into smaller pieces if mini ones are unavailable.

How long will my homemade cookies stay fresh?

These cookies are best enjoyed fresh but can last up to 5 days in the refrigerator when stored properly.

Final Thoughts

These vegan marshmallows crispy cookies are not only delicious but also easy to customize! You can add nuts, different flavored extracts, or even swap out rice krispies for other cereals. Give this recipe a try and enjoy a delightful treat that rivals any store-bought version!

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Marshmallow Crispy Cookies (Costco Copycat)

Vegan Marshmallows Crispy Cookies (Costco Copycat)

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Print Recipe

Indulge in the delightful experience of homemade vegan marshmallows Crispy Cookies, inspired by your favorite Costco treats! With crispy edges and chewy centers, these cookies are a perfect blend of nutty brown butter and sweet mini marshmallows, making them ideal for any occasion—from family gatherings to cozy nights in. Plus, they’re incredibly easy to make with no chilling time required! Gather your loved ones for a fun baking activity, and enjoy the satisfaction of creating a delicious dessert that’s sure to impress.

  • Total Time: 27 minutes
  • Yield: Approximately 24 cookies 1x

Ingredients

Scale
  • ½ cup salted butter
  • ¾ cup brown sugar
  • ½ cup granulated sugar
  • 1 large egg (room temperature)
  • 1 teaspoon vanilla extract
  • ½ teaspoon baking soda
  • ¾ teaspoon salt
  • 1 cup all-purpose flour
  • 1½ cups rice krispie cereal
  • ⅔ cup mini vegan marshmallows
  • Flaked salt for topping

Instructions

  1. Preheat your oven to 350°F and line a baking sheet with parchment paper.
  2. In a medium saucepan, melt the butter over medium heat until it turns golden brown. Let it cool.
  3. In a mixing bowl, combine cooled brown butter, sugars, egg, and vanilla until smooth.
  4. Gradually add baking soda, salt, and flour; mix gently until combined.
  5. Fold in rice krispies and mini marshmallows until evenly distributed.
  6. Scoop dough onto the prepared baking sheet, spacing them apart.
  7. Bake for 10-13 minutes or until edges are lightly golden. Sprinkle flaked salt on top while warm.
  • Author: Mia
  • Prep Time: 15 minutes
  • Cook Time: 12 minutes
  • Category: Dessert
  • Method: Baking
  • Cuisine: Vegan

Nutrition

  • Serving Size: 1 cookie (30g)
  • Calories: 150
  • Sugar: 9g
  • Sodium: 70mg
  • Fat: 6g
  • Saturated Fat: 4g
  • Unsaturated Fat: 2g
  • Trans Fat: 0g
  • Carbohydrates: 23g
  • Fiber: <1g
  • Protein: 1g
  • Cholesterol: 20mg

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