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Updated Tunnel of Fudge Cake

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By , About.com Guide

Updated Tunnel of Fudge Cake

Updated Tunnel of Fudge Cake

Linda Larsen
You can make the original Tunnel of Fudge Cake using frosting mix, or try this updated version made from scratch. The powdered sugar and cocoa in the recipe essentially replace the frosting mix.

Prep Time: 25 minutes

Cook Time: 48 minutes

Total Time: 1 hour, 13 minutes

Yield: Serves 16

Ingredients:

  • 1-1/2 cups butter, softened
  • 1 cup granulated sugar
  • 3/4 cup brown sugar
  • 2 (1-ounce) squares unsweetened chocolate, melted and cooled
  • 6 eggs
  • 2 cups sifted powdered sugar
  • 2 cups flour
  • 2/3 cup cocoa
  • 2 teaspoons vanilla
  • 2 cups chopped pecans or walnuts
  • 1/2 cup semisweet chocolate chips
  • 1 teaspoon vegetable oil

Preparation:

Preheat oven to 350 degrees F. Measure flour by lightly spooning the flour INTO the measuring cup, NOT by scooping the measuring cup into the flour. The scoop-and-level method is incorrect and will make this cake too dry.

In large bowl, combine butter, sugar, and brown sugar, and beat until mixture is light and fluffy. Add melted and cooled chocolate, beating until combined.

Add eggs, one at a time, beating thoroughly after each addition until eggs combine with butter mixture (this can take some time).

Sift the powdered sugar BEFORE you measure it. Gradually add powdered sugar to the batter, mixing well. By hand, stir in flour, cocoa, vanilla, and pecans until well blended.

Spray a 12 cup Bundt pan with nonstick baking spray with flour. Spoon batter into prepared pan. Bake at 350 degrees F for 48-54 minutes, until crust looks dry and shiny (traditional doneness tests won't work because of the soft fudge center). Cool cake in pan on rack for 1 hour, then invert onto serving plate and remove pan. Cool completely. If you bake the cake for the shorter period of time, it will have true fudge in the center. Bake it longer for a moist tunnel in the center.

In small microwave-safe bowl, place chocolate chips with oil. Microwave on 50% power for 2 minutes; stir. Continue microwaving until chocolate is melted and mixture is smooth. Pour into a small ziplock bag. Cut a tiny piece off the corner of the bag and pipe the chocolate over the cake, using a back-and-forth motion. Let cool.

Make sure that you measure flour correctly for this recipe. Don't skimp on the walnuts; they're critical to the cake structure. And don't over bake the cake or it may be dry and fall apart.

User Reviews

 1 out of 5
It Fell Apart on me!, Guest Patty

I made this cake to serve for a Mardi Gras Menu as suggested. I'm glad I made it a few days ahead of time, because it completely fell apart. I measured the flour correctly, and followed the recipe to the letter. I did not overbake it...it is not dry. but it FELL APART on the plate after cooling for an hour.

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