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New York Super Fudge Chunk Sheet Cake

5 from 4 votes
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Course: Dessert
Cuisine: American
Prep Time: 15 minutes
Cook Time: 35 minutes
Servings: 10 slices
Calories: 1260kcal


  • 9x13 pan
  • Squeeze bottle


Cake Ingredients

  • 2 boxes triple chocolate cake mix
  • 6 eggs large
  • 2 ½ cup water
  • 1 cup canola oil
  • 1 cup chopped walnuts

Chocolate Ganache Ingredients

  • 2 cups semi sweet chocolate chips
  • 1 cup heavy whipping cream

Vanilla Frosting Ingredients

  • 1 cup unsalted butter softened
  • 2 ½ cups powdered sugar
  • 1 tsp vanilla extract
  • 5 tbsp heavy whipping cream
  • 1 cup pecans chopped
  • 1 cup mini chocolate chips


Cake Directions

  • Preheat the oven to 350 degrees and spray your baking dish  with the pam baking spray, set aside 
  • Using a standing mixer or hand mixer, beat together until combined the cake mix, eggs, oil and water
  • Fold in the chopped walnuts
  • Pour batter into the baking dish and bake in the oven for about 25-35 minutes or until a toothpick comes out clean 
  • Allow to cool completely 

Chocolate Ganache

  • Place the chocolate chips into a heat safe bowl 
  • Using a small pot, heat up the heavy whipping cream over the stove until it starts to slow simmer 
  • Pour the heavy whipping cream over the chocolate chips and allow to sit for 1 minute
  • Using a whisk, whisk the ganache until smooth and creamy 
  • Scoop ½ C into the squeeze bottle 
  • Directions to top the cake 
  • If the cake baked a dome on top of the middle of the cake, remove it with a serrated knife to make the sheet cake even 
  • Place into the fridge and allow to harden for 15-20 minutes

Vanilla Frosting Directions

  • Using a standing mixer, cream together the butter, powdered sugar, vanilla, and heavy whipping cream until combined, smooth and stiff with peaks
  • Scoop the frosting onto the top of of the cake and smooth evenly 
  • Using the ganache in the bottle, drizzle all over the top of the cake 
  • Sprinkle the chopped pecans and mini chocolate chips on top 
  • Cut and serve and enjoy!


You could turn this into 24 cupcakes if you would rather have cupcakes!  


Serving: 1slice | Calories: 1260kcal | Carbohydrates: 128g | Protein: 15g | Fat: 81g | Saturated Fat: 35g | Cholesterol: 195mg | Sodium: 785mg | Potassium: 647mg | Fiber: 7g | Sugar: 88g | Vitamin A: 1234IU | Vitamin C: 1mg | Calcium: 234mg | Iron: 7mg