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Hot Fudge Cake with Peanut Butter Sauce

Hot Fudge Cake with Peanut Butter Sauce

  • Author: Pinch of Yum
  • Prep Time: 5 mins
  • Cook Time: 120 mins
  • Total Time: 2 hours 5 minutes
  • Yield: 8 1x


This hot fudge cake is made in the crockpot and covered with homemade peanut butter sauce. Gooey, delicious, and super easy to make!



  • 1 1/2 cup brown sugar (unpacked, divided)
  • 1 cup flour
  • 1/4 cup + 3 tablespoons unsweetened cocoa powder (divided)
  • 2 teaspoons baking powder
  • 1 teaspoon salt
  • 1/2 cup milk
  • 4 tablespoons melted butter (divided)
  • 2 teaspoons vanilla (divided)
  • 1/4 cup white sugar (divided)
  • 1 3/4 cups boiling water
  • 1/4 cup light corn syrup
  • 1/2 cup peanut butter


  1. Mix together 1 cup brown sugar, flour, 3 tablespoons cocoa, baking powder, and salt.
  2. Stir in milk, 2 tablespoons melted butter, and 1 teaspoon vanilla. Spread in a greased crockpot on high setting.
  3. Whisk 1/2 cup brown sugar, 2 tablespoons white sugar, and 1/4 cup cocoa powder together. Sprinkle over the batter in the crockpot. Pour boiling water over the top – do not stir! Let cook for 2 hours.
  4. For peanut butter sauce: melt corn syrup, 2 tablespoons white sugar, 1 teaspoon vanilla, and 2 tablespoons melted butter over medium low heat. When sugar has dissolved, add peanut butter and stir until melted. Keep warm until serving.
  • Category: Dessert
  • Cuisine: American

Keywords: hot fudge cake, peanut butter sauce, hot fudge dessert