Easy peanut butter s’mores cookies recipe with chocolate and marshmallow. A quick, gooey dessert perfect for any occasion.

Peanut Butter S’mores Sandwich Cookies

Soft peanut butter cookies filled with gooey marshmallow and melted chocolate—like a campfire s’more in cookie form!

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Prep Time 15 minutes mins

Cook Time 12 minutes mins

Total Time 27 minutes mins

Servings: 8 sandwich cookies

Course: Dessert

Cuisine: Américaine

Calories: 320

Ingredients Equipment Method Notes

Ingredients

  

• For the Peanut Butter Cookies:
• 1 cup creamy peanut butter
• 1/2 cup granulated sugar
• 1/2 cup brown sugar
• 1 large egg
• 1 tsp vanilla extract
• 1/2 tsp baking soda
• Pinch of salt
• For the Filling:
• 1 cup marshmallow fluff or 8–10 large marshmallows
• 1/2 cup chocolate chips or 1–2 chocolate bars broken into pieces

Equipment

• Mixing bowl
• hand mixer (optional)
• Baking sheet
• Parchment paper
• Cookie scoop
• fork
• Spatula
• Microwave-safe bowl
• Cooling rack
• kitchen torch (optional)

Method

 

1. Make the Cookie Dough
2. Preheat oven to 350°F (175°C).
3. In a bowl, mix peanut butter, granulated sugar, and brown sugar until smooth.
4. Add egg and vanilla; mix well.
5. Stir in baking soda and salt until combined.
6. Shape & Bake
7. Scoop dough into small balls (about 1 tbsp each).
8. Place on a lined baking sheet and flatten slightly with a fork (classic crisscross pattern).
9. Bake for 10–12 minutes until edges are lightly golden.
10. Let cool completely.
11. Prepare the Filling
12. If using marshmallows, microwave briefly (10–15 sec) until soft.
13. Melt chocolate in microwave in 20-second intervals, stirring until smooth.
14. Assemble the Sandwich Cookies
15. Spread marshmallow fluff on one cookie.
16. Add melted chocolate or place chocolate pieces on top.
17. Sandwich with another cookie and gently press together.

Notes

Chill dough for 15–20 minutes if it’s too sticky.
Don’t overbake—cookies should stay soft for best texture.
Add crushed graham crackers for extra s’mores vibes.