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A warm slow cooker filled with chocolate cake, melted marshmallows, and graham cracker pieces.

Crockpot S'mores Cake

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Prep Time 15 minutes
Cook Time 2 hours 30 minutes
Total Time 2 hours 45 minutes
Servings 8 servings
Calories 485 kcal

Ingredients
  

  • 1 box (15.25 oz) chocolate cake mix
  • 1 1/4 cups wate r
  • 1/2 cup vegetable oil
  • 3 large egg s
  • 1 1/2 cups graham cracker crumbs
  • 1/2 cup melted unsalted butter
  • 2 cups mini marshmallows
  • 1 cup semi -sweet chocolate chips
  • 4 graham cracker sheets, broken into pieces

Instructions
 

  • Grease a 6-quart slow cooker with non-stick cooking spray or insert a slow cooker liner.
  • In a medium bowl, mix graham cracker crumbs and melted butter until combined; press firmly into the bottom of the slow cooker to create a base.
  • In a large mixing bowl, whisk together chocolate cake mix, water, vegetable oil, and eggs until smooth.
  • Pour the cake batter over the graham cracker crust in the slow cooker.
  • Sprinkle the chocolate chips and 1 cup of the mini marshmallows over the top of the batter.
  • Cover and cook on HIGH for 2 to 2.5 hours (or LOW for 4 hours) until the cake is set and a toothpick comes out clean.
  • Remove the lid and sprinkle the remaining 1 cup of mini marshmallows and the broken graham cracker pieces over the top.
  • Replace the lid for 5 to 10 minutes until the marshmallows are softened and slightly melted.
  • Serve warm using a large spoon.