Decadent Diet Birthday Cake – Black Magic Cake

My girlfriend from grade school is on a diet and she’s doing spectacularly well so I don’t want to hinder her progress. But, it’s her birthday and we like to celebrate our birthdays with chocolate cake.

When we were kids, my mother decorated one of my birthday cakes on a budget… she used Smarties. From that day on, when invited to my birthday parties, my friends would always ask anxiously if my mother was making chocolate cake with Smarties on it, again this year. Thus a tradition got started.

Getting back to my girlfriends birthday cake, I had a choice… to make Pamela a chocolate cake that would only add temptation to break her progress (not a choice!)… or make her cupcakes instead.

Cupcakes won out because they can be frozen for later use… thus my title “Decadent Diet Birthday Cake.”

How else was I going to be able to make this heavenly Black Magic Chocolate Cake for her birthday!

Ingredients

1 cup of butter
¾ cup chocolate syrup
10 – 52g Mars chocolate bars – cut up in chunks
2 cups white sugar
1 cup milk (add one tablespoon of vinegar)
1 teaspoon vanilla
4 eggs
2 ½ cups of all-purpose flour
¾ cup unsweetened cocoa
¾ teaspoon salt
½ teaspoon baking soda

Directions

  1. Preheat oven to 325° F
  2. Line your muffin tins with cupcake papers.
  3. In a microwave-safe bowl, combine the butter, syrup, and Mars bars. Heat 3 to 4 minutes whisking once. Whisk until smooth.
  4. Whisk in sugar, milk (with the one tablespoon of vinegar – I used cider vinegar though you could substitute all with buttermilk), vanilla and lightly beaten eggs.
  5. Spoon batter into cupcake wrappers, stopping approximately ¼” below top of the cupcake paper.
  6. Bake for about 30 minutes or until a toothpick inserted in center comes out almost clean.
  7. Cool in pan on a wire rack for about 10 minutes, then remove and finish cooling on rack.
  8. Add your favourite icing and sprinkles and your ready to serve.

Makes approximately 4 dozen cupcakes …or 2 dozen cupcakes and 1 small cake.

If you prefer to use the entire recipe for cake, be sure to use a bundt cake pan and grease it well. Once cooked, cool the cake pan on a rack for 10 minutes before trying to remove it from the pan.

Don’t have a bundt cake pan? Try Cake Pan Size Conversions.

Decadent Diet Birthday Cake – Black Magic Cake recipe

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Trish

Given my passion for genealogy, is it any wonder that I eventually wanted to publish my work? Learning to use a personal computer was a natural step once I was introduced it in the 1990s. Then the internet offered a second means to "publish" and now, here I am with a personal blog.

47 thoughts on “Decadent Diet Birthday Cake – Black Magic Cake”

  1. Wow, surprisingly I never ever knew you could use chocolate bars in cakes like this. I’ve been reading through your blog a lot these past few days and it’s earned a spot in my bookmarks. Well done!

    Reply
  2. A friend recommended your website to me, he said that your posts are the best. He was right, this is one very yummy recipe!

    Reply
    • Here’s one I can share with you:
      Chocolate oreo cake – What you need is 1 pkg. (2-layer size) devil’s food chocolate cake mix, 4 squares BAKER’S Semi-Sweet Chocolate, 1/4 cup (1/2 stick) butter, 1 pkg. (8 oz.) PHILADELPHIA Cream Cheese softened, 1/2 cup sugar, 2 cups Cool Whip Topping, 12 Oreo Cookies, coarsely crushed. HEAT oven to 350 degrees F. Prepare cake batter and bake in 2 9-inch round cake pans as directed on mix package. Once cooked, cool in pans 10 min. Invert cakes onto wire racks; gently remove pans. Cool cakes completely. Microwave the chocolate and butter in a small microwaveable bowl, on high for 2 min. or until butter is melted. Stir until chocolate is completely melted. Cool 5 min. Meanwhile, beat cream cheese and sugar in large bowl with mixer until blended. Gently stir in Cool Whip and crushed Oreo cookies. Stack cake layers on plate, spreading cream cheese mixture between layers. Spread top with chocolate glaze. Let stand until firm. Keep refrigerated. This great-tasting cake will now look like a giant OREO Cookie. If chocolate glaze becomes too thick, microwave it on high for about 20 to 30 seconds or until you get the desired consistency. Enjoy a serving of this indulgent cake on occasion, but keep your portion size in mind.

      Reply
  3. This is the prefect recipe to show your Girlfriends that you care with Chocolate.The best mini cakes I have ever had. Trish made these for my B-day and they took me back to the birthday parties when I was a Child.

    Reply

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