Description
Buttery, chewy, and packed with gooey marshmallows and crispy cereal—these Costco Marshmallow Crispy Cookies bring bakery-style indulgence right to your kitchen. Whether you’re after an easy dessert idea or a fun baking project, this cookie recipe checks all the boxes: texture, flavor, and comfort in every bite. Perfect for cookie exchanges, quick dessert ideas, or a weekend bake, these are a family favorite and kid-approved. They also make a satisfying snack for lunchboxes or late-night cravings. This is the easy recipe you didn’t know you needed until now. Ideal for sweet snack ideas, party food ideas, or holiday cookie trays.
Ingredients
1 cup unsalted butter, softened
1 cup brown sugar
1/2 cup granulated sugar
1 large egg
2 teaspoons vanilla extract
1 1/2 cups all-purpose flour
1/2 teaspoon baking soda
1/2 teaspoon salt
1 1/2 cups mini marshmallows
2 cups Rice Krispies cereal
Instructions
1. Beat the butter, brown sugar, and white sugar until light and fluffy.
2. Mix in the egg and vanilla extract until well combined.
3. In a separate bowl, whisk flour, baking soda, and salt.
4. Slowly add dry ingredients to the wet mixture and mix until just combined.
5. Fold in the mini marshmallows and Rice Krispies gently.
6. Chill dough for 30 minutes.
7. Scoop dough into balls and place on lined baking sheets.
8. Bake at 350°F (175°C) for 10–12 minutes, until edges are golden.
9. Let cool slightly before serving.
Notes
Make sure not to overmix the cereal—keep the crunch!
Chilling the dough helps prevent marshmallow overspread during baking.
- Prep Time: 15 minutes
- Cook Time: 12 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 cookie
- Calories: 210
- Sugar: 14g
- Sodium: 120mg
- Fat: 10g
- Saturated Fat: 6g
- Unsaturated Fat: 3g
- Trans Fat: 0g
- Carbohydrates: 28g
- Fiber: 0g
- Protein: 2g
- Cholesterol: 25mg
Keywords: easy dessert, crispy cookies, marshmallow cookies, bakery-style cookie, chewy cookie