Marshmallow Moon Bars – soft vanilla cookie bars with gooey marshmallow and a chocolate drizzle

Yesss, Marshmallow Moon Bars sound like something astronauts would snack on if they had a sweet tooth and a campfire πŸ”₯πŸŒ™πŸ« Think: soft vanilla base, melty marshmallow center, and a glossy chocolate drizzle β€” like a s’more took a nap on a cloud.


πŸŒ• Marshmallow Moon Bars

Soft, golden vanilla cookie bars with a gooey marshmallow layer and a dreamy chocolate drizzle. Sweet, simple, and totally out of this world.

Ingredients (makes 9–12 bars):

For the cookie base:

  • 1/2 cup (1 stick) unsalted butter, melted
  • 3/4 cup brown sugar
  • 1 large egg
  • 1 tsp vanilla extract
  • 1 cup all-purpose flour
  • 1/4 tsp baking powder
  • 1/4 tsp salt

For the topping:

  • 2 cups mini marshmallows (or cut-up big ones)
  • 1/2 cup semisweet or dark chocolate chips
  • 1 tsp coconut oil or butter (for smoother drizzle)

Instructions:

  1. Preheat & Prepare:
    Preheat oven to 350Β°F (175Β°C). Line an 8×8-inch baking pan with parchment.
  2. Mix the Base:
    In a bowl, whisk melted butter and brown sugar until combined. Add egg and vanilla. Stir in flour, baking powder, and salt until just mixed.
  3. Bake the Bars:
    Press dough evenly into pan. Bake for 15–18 minutes, until just golden at the edges.
  4. Add the Marshmallow Magic:
    Remove from oven, sprinkle marshmallows evenly over the top. Return to oven for 3–5 minutes until puffed but not browned.
  5. Drizzle & Chill:
    Melt chocolate chips with coconut oil (microwave or double boiler). Drizzle over marshmallows. Let cool completely before slicing into bars.
  6. Slice & Stargaze:
    Cut with a warm knife for clean edges. Enjoy under a blanket with your favorite playlist.

✨ Caption Idea:

β€œGooey, golden, and kissed by chocolate β€” Marshmallow Moon Bars are like bedtime stories you can eat. πŸŒ™πŸ«πŸ’­β€
πŸ“Έ: Overhead shot of a few bars stacked, chocolate drizzle glinting, marshmallow puffed and golden in places.

Want a graham cracker crust or peanut butter swirl next? Or turn this into a full-on s’mores traybake? Let’s go!

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