S’mores Sheet Cake Recipe

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Maia Wright Modified: March 21, 2022
S’mores Sheet Cake Recipe

How To Make S’mores Sheet Cake

This s’mores sheet cake is packed with a moist chocolate cake that sits on a graham cracker base, and topped with crusty marshmallows, for a sweeter treat!

Preparation: 15 minutes
Cooking: 30 minutes
Total: 45 minutes



  • 12graham crackers,full rectangles
  • 2cupsflour
  • 1cupbrown sugar
  • cupunsweetened cocoa powder
  • 1tspbaking powder
  • 1tspbaking soda
  • ¼tspsalt
  • 1cupbuttermilk
  • cupvegetable oil
  • 2large eggs
  • 1tspvanilla extract
  • cupsemisweet chocolate chips
  • 10ozjumbo marshmallows,(1 bag)


  1. Preheat the oven to 350 degrees F. Spray a 9×13-inch baking pan with baking spray.

  2. Line the bottom of a prepared baking pan with graham crackers.

  3. In a large bowl, sift together flour, brown sugar, cocoa, baking powder, baking soda, and salt.

  4. Add the buttermilk, oil, eggs, and vanilla, then whisk until just combined.

  5. Pour cake batter gently over the graham crackers in the pan.

  6. Bake for about 30 to 35 minutes, or until a toothpick inserted in the center comes out clean.

  7. Place the marshmallows evenly over the top of the cake very carefully.

  8. Return cake to oven, and broil for about 30 to 45 minutes until marshmallows are just golden brown. Remove from oven and cool.

  9. Microwave individual slices for about 15 to 20 seconds, serve, and enjoy!


  • Calories: 271.41kcal
  • Fat: 8.02g
  • Saturated Fat: 1.57g
  • Trans Fat: 0.04g
  • Monounsaturated Fat: 4.36g
  • Polyunsaturated Fat: 1.60g
  • Carbohydrates: 47.59g
  • Fiber: 1.67g
  • Sugar: 24.43g
  • Protein: 4.44g
  • Cholesterol: 23.86mg
  • Sodium: 205.34mg
  • Calcium: 64.39mg
  • Potassium: 120.12mg
  • Iron: 1.20mg
  • Vitamin A: 12.14µg
  • Vitamin C: 0.15mg
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