Gooey Marshmallow Cookie Dough Bars – No-Bake & Irresistible!

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These decadent, no-bake bars combine edible cookie dough, melty marshmallows, and rich chocolate for the ultimate sweet treat—ready in 15 minutes with no oven required!

Why You’ll Love This Recipe

✅ No eggs, no baking – Safe to eat raw
✅ Chewy, gooey, chocolatey – The perfect texture combo
✅ Kid-friendly – Fun to make and even more fun to eat
✅ Customizable – Swap mix-ins to your taste

Ingredients & Substitutions

For the Cookie Dough Layer

  • ½ cup (1 stick) unsalted butter, softened
  • ½ cup brown sugar
  • ¼ cup granulated sugar
  • 2 tbsp milk (or heavy cream)
  • 1 tsp vanilla extract
  • 1 ½ cups all-purpose flour (heat-treated*)
  • ½ tsp salt
  • 1 cup mini chocolate chips

For the Marshmallow Layer

  • 2 cups mini marshmallows (or 3 cups large, chopped)
  • ½ cup chocolate chips (for drizzle, optional)

Step-by-Step Instructions

1. Heat-Treat the Flour (*Safety First!)

  1. Spread flour on a baking sheet. Bake at 350°F (175°C) for 5 minutes, then cool completely.

2. Make the Cookie Dough

  1. Beat butter and sugars until fluffy.
  2. Mix in milk and vanilla.
  3. Gradually add flour and salt, then fold in chocolate chips.

3. Layer & Press

  1. Line an 8×8-inch pan with parchment.
  2. Press ⅔ of the dough into the bottom.
  3. Sprinkle marshmallows evenly over the dough.
  4. Crumble remaining dough on top (don’t fully cover—let marshmallows peek through).

4. Set & Slice

  1. Chill 1 hour (or freeze 20 mins for faster setting).
  2. Optional: Melt ½ cup chocolate chips and drizzle over bars.
  3. Cut into squares and enjoy!

Pro Tips

🍫 Extra gooey: Lightly torch marshmallows before adding top dough layer.
🔥 Flour shortcut: Microwave flour in 30-sec intervals until 160°F (71°C).
🍯 Flavor twist: Add ½ cup crushed graham crackers for s’mores vibes.

Variations

🍪 Funfetti: Swap chocolate chips for sprinkles
🥥 Tropical: Add shredded coconut + white chocolate
☕ Mocha: Mix 1 tsp instant espresso into dough

FAQs

Can I use gluten-free flour?

Yes! Use GF 1:1 flour and heat-treat the same way.

How to store?

Keep refrigerated 5 days or freeze 1 month.

Can I skip heat-treating flour?

Not recommended—raw flour can carry bacteria.

Final Thoughts

These Marshmallow Cookie Dough Bars are childhood nostalgia in every bite—chewy, sweet, and impossible to resist. Perfect for potlucks, movie nights, or a sneaky midnight snack!

Warning: Highly addictive—hide them from yourself! 🍫🔥

(Tag your creations #GooeyCookieDoughBars!)

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