Close up of a white bowl filled with chocolate peanut butter lava cake, hot fudge, whipped cream and reeses' peanut butter cups

Crock Pot Reese Peanut Butter Lava Cake


  • 1 triple chocolate cake mix
  • 1 C cold water
  • 3 eggs
  • 1/2 C peanut butter
  • 1/3 C unsalted sweet cream butter softened
  • 1/2 C chocolate syrup plus 2 Tbsp

Peanut Butter Glaze

  • 3 tbsp whole milk
  • 1/4 cup peanut butter
  • 1 C powdered sugar


  • 1 C mini Reese cups
  • 1 C Reese pieces
  • whipped cream to top


  • Spray a 6 quart crock pot with cooking spray or use a Crock Pot liner.
  • Using a large bowl, mix together the cake mix, water, eggs, 1/2 C peanut butter, 1/3 C butter, and 1/2 C chocolate syrup until combined
  • Pour batter into the crock pot and cook on high heat for 1 hour
  • Check to see if still doughy, if so continue to cook in increments of 15 minutes until the cake is not so doughy anymore
  • Remove the Crock Pot and place onto a wire rack
  • In medium bowl, whisk together the remaining 3 tbsp peanut butter and 3 tbsp whole milk until smooth. Gradually whisk in powdered sugar.
  • Spread peanut butter glaze over the cake
  • Sprinkle the mini Reese cups and Reese pieces
  • Scoop into bowls and serve with whipped cream or ice cream