Easy Marshmallow Swirl Cookies with soft, fudgy centers
These rich chocolate cookies feature soft centers, crisp edges, and gooey swirls of melted marshmallow — a perfect cold-weather treat or nostalgic indulgence.
- Prep Time: 15 minutes
- Cook Time: 10 minutes
- Total Time: 25 minutes + chill
- Yield: 18 cookies 1x
Ingredients
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½ cup unsalted butter (melted)
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½ cup brown sugar
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¼ cup granulated sugar
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1 large egg
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1½ tsp vanilla extract
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1 cup all-purpose flour
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½ cup unsweetened cocoa powder
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½ tsp baking soda
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¼ tsp salt
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½ cup chocolate chunks (optional)
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½ cup mini marshmallows or ⅓ cup marshmallow fluff
Instructions
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In a bowl, whisk melted butter and sugars until smooth.
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Add egg and vanilla; mix well.
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In a separate bowl, combine flour, cocoa, baking soda, and salt.
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Fold dry ingredients into wet until combined. Stir in chocolate chunks (optional).
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Chill dough 30–60 minutes.
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Preheat oven to 350°F. Line baking sheets with parchment.
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Scoop dough into 1.5 tbsp balls. Press marshmallows into tops or add fluff in centers.
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Bake 9–11 minutes, until edges are set. Cool 5 minutes before transferring.
Notes
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Chill dough for best results.
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For extra gooey centers, use marshmallow fluff.
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Store at room temp 3–4 days or freeze up to 2 months.