Tunnel of Doom Cake #SundaySupper #Trick-or-Treat #Halloween Party

tunnel of doom


Every time I heard about a Tunnel of Fudge Cake recipe, I’d make a mad dash to check it out. Most included a boatload of chopped nuts…something my family would not eat. One of my foodie friends shared this recipe… which is sans nuts…and topped with a glossy chocolate glaze. I knew I’d found a winner. This week’s #Sunday Supper is focusing on Halloween…and who wouldn’t want to have a slice of this decadent cake for some much needed sustenance after an exhausting night of Trick-or-Treating? I thought renaming this fudge filled cake to Tunnel of Doom Cake was appropriate for the occasion.

Tunnel_of_Doom (2)

The cake batter is pretty typical…I swapped out the orange zest in the original recipe for vanilla bean paste. A cup of batter is set aside to combine with melted dark chocolate candies…I subbed some milk chocolate to reduce the intensity, but it would definitely be fine with all dark chocolate. Half the vanilla batter is spooned into the bottom of the Bundt pan, then a layer of chocolate batter, followed by the rest of the vanilla batter. Even though I put more than half the batter into bottom of the pan, the fudge sunk instead of remaining in the middle. Next time, I may add all the vanilla batter first and see what happens. My family doesn’t care about presentation, only taste, so only I was bothered. 

I let my oldest know that he could take up to half the cake home  when he stopped to visit the dog while Katie and I were in Chicago. He didn’t sound all that interested via our text conversation, but, low and behold, only a demilune remained on the cake plate upon our return…yup, it’s that scrumptious!!!!

Tunnel of Doom Cake #SundaySupper #Trick-or-Treat #Halloween Party


    Recipe adapted from Brightideas.com

    • 3 cups flour
    • 2 1/2 teaspoons baking powder
    • 1/2 teaspoon baking soda
    • 1 teaspoon salt
    • 3 1/2 cups Dove Dark Chocolate Promises (may use some milk chocolate) or just use your favorite dark chocolate bar, chopped, about 11 ounces total, divided
    • 3/4 cup (1 1/2 sticks) butter, at room temperature
    • 1 2/3 cups sugar
    • 1 teaspoon vanilla bean paste or vanilla extract
    • 3 eggs, at room temperature
    • 1 cup milk
    • 1/2 cup sour cream
    • 1/4 cup Karo syrup (light corn syrup)
    • 1/2 cup heavy cream


    1. Butter and flour a 12 cup capacity Bundt pan. Set aside. Preheat oven to 350º.
    2. Combine the flour, baking powder, baking soda and salt in a bowl and whisk to combine. Set aside.
    3. Melt 1¾ cups dark chocolate in microwave (stop and stir every 30 seconds till melted and smooth). Set aside.
    4. In a large bowl, beat the butter, sugar and vanilla till fluffy, then add the eggs, one at a time, till incorporated.
    5. In another bowl (I used a glass measuring up with a spout), whisk together the milk and sour cream. With the mixer on low, alternately add the flour and the milk mixture into the batter, mixing till smooth.
    6. Stir 1 cup of this batter into melted chocolate and set aside (chocolate should be warm not hot before adding batter). Set aside.
    7. Spoon slightly more than half the plain batter into the bottom of the prepared Bundt pan. Add the chocolate batter (I aimed for the middle of the plain batter, but that may have made my chocolate layer extra heavy therefore making it sink), followed by the remaining plain batter. Smooth top with offset spatula if needed.
    8. Bake for 55-60 minutes or till toothpick inserted into the center comes out clean. Let cook for about 10 minutes then release from pan to cool completely on wire rack.
    9. To make glaze, melt remaining chocolate with Karo syrup and heavy cream in the microwave for 1-2 minutes, stopping and stirring every 30 seconds till smooth and melted. Cool slightly. Place cake on the cooling rack over a baking sheet lined with parchment. Spoon glaze over cake.

    Yield: 10-12 servings

      Total time: 3+ hours with cooling times included


        Nutrition Facts
        Serving Size
        Amount Per ServingAs Served
        Calories 8209kcal Calories from fat 3631
        % Daily Value
        Total Fat 403g620%
        Saturated Fat 246g1230%
        Transfat 6g
        Cholesterol 1228mg409%
        Sodium 4970mg207%
        Carbohydrate 1045g348%
        Dietary Fiber 30g120%
        Sugars 704g
        Protein 115g

        Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs:

        Total FatLess than65g
        Sat FatLess than25g
        CholesterolLess than300mg
        SodiumLess than2,400mg
        Total Carbohydrate300g
        Dietary Fiber25g
        Did you make this recipe?
        Leave review!

        I hope you’re ready for a howling good time, because today my #SundaySupper friends and I will be conjuring up some magic in our bubbling cauldrons to bring you everything from Ghoulish Gruel to Haunted Snacks to Spooky Sweets, and of course a few Bewitching Brews! Thanks to Leslie, of La Cocina de Leslie, for organizing and hosting this spooktacular event!!!

        Witches, ghosts, goblins, vampires, zombies, monsters…  Everyone is invited.  You don’t want to miss this hair-raising party.  It’s sure to be a real scream!       

        On the menu for our Trick-or-Treat #SundaySupper Halloween Party:

        Bewitching Brews

        Ghoulish Gruel: 

        Haunted Snacks: 

        Spooky Sweets: 

        Please be sure you join us on Twitter throughout the day, this Sunday (October 28th) during #SundaySupper.  We’ll be meeting up at 7:00 pm (Eastern) for our weekly #SundaySupper live chat where we’ll talk about all things Halloween.  All you have to do is follow the #SundaySupper hashtag, or you can follow us through TweetChat.

        We’d also love to feature your favorite Halloween recipes on our #SundaySupper Pinterest board and share them with all of our followers, too.

        By the way, I was nominated by SkinnyScoop as one of the Top 25 recipe blogs. Voting ends in just a couple days. I’d love if you could vote for me by clicking on the SkinnyScoop Vote for Me on the right side of my blog and finding the listing for my blog on the second page. THANK YOU for all your support…whether you comment or just drop by to see what I’ve cooked up, I appreciate all of you!

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        1. yay!this one looks good.how i wish I could bake or cook something for my kids this weekend. sooo excited to try this. 🙂


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