Microwave Chocolate Cake Recipe
Microwave Chocolate Cake Recipe photo by Taste of Home
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Microwave Chocolate Cake Recipe

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Microwave Chocolate Cake cooks into a light, moist chocolaty dessert. "A farm wife with four children, I've made this cake many times," says Mary Brenneman of Tavistock, Ontario.
TOTAL TIME: Prep/Total Time: 25 min.
MAKES:9 servings
TOTAL TIME: Prep/Total Time: 25 min.
MAKES: 9 servings


  • 1-1/2 cups all-purpose flour
  • 1 cup sugar
  • 3 tablespoons baking cocoa
  • 1 teaspoon baking soda
  • 1/4 teaspoon salt
  • 1 cup cold water
  • 1/3 cup vegetable oil
  • 1 tablespoon vinegar
  • 1 teaspoon vanilla extract
  • 1 cup sugar
  • 3 tablespoons cornstarch
  • 2 tablespoons baking cocoa
  • 1 cup boiling water
  • Dash salt
  • 1 tablespoon butter
  • 1 teaspoon vanilla extract

Nutritional Facts

1 piece: 351 calories, 10g fat (2g saturated fat), 3mg cholesterol, 236mg sodium, 64g carbohydrate (43g sugars, 1g fiber), 3g protein.


  1. In a bowl, combine the first five ingredients. Stir in water, oil, vinegar and vanilla until well blended. Pour into an ungreased 8-in. square microwave-safe dish.
  2. Microwave on high for 3-5 minutes, turning the dish every minute, or until a toothpick inserted near the center comes out clean.
  3. In a 1-qt. microwave-safe bowl, combine sugar, cornstarch and cocoa. Stir in water and salt. Microwave 30 seconds more. Stir in butter and vanilla. Serve with warm cake. Yield: 9 servings.
Editor's Note: This recipe was tested in a 1,100-watt microwave.
Originally published as Microwave Chocolate Cake in Taste of Home October/November 1997, p9

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NadiaPedley User ID: 8520939 245750
Reviewed Mar. 21, 2016

"Fantastic recipe.

Have 4 'always hungry' boys...cake disappeared within minutes ??"

sicamoon83 User ID: 6227340 24359
Reviewed Sep. 24, 2011

"I lost my grandmother's recipe for this type of microwave cake and I am very glad that I found a substitute. The frosting is the best part but I love the fact that the cake is not extremely sweet and that the frosting makes up for it. It is a great balance."

katrina_lyn User ID: 1241471 48871
Reviewed Aug. 8, 2011

"This is not the best cake I've ever had, but it is the best microwave cake I've ever had. The cake itself is pretty bland, but it has a nice texture. The surface is kind of sticky so it didn't cut too cleanly but it came out of the pan clean. The real winner is the chocolate sauce. It's nice, thick, decant and chocolatey. It makes enough sauce to generously cover each piece. This sauce would be good on many other desserts."

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