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Horizontal image of a fork stuck into a square of chocolate cake on a white piece of parchment paper, on a gray surface with a bottle of milk and a glass baking dish in the background.

Chocolate Wacky Cake

  • Author: Kelli McGrane
  • Total Time: 40 minutes
  • Yield: 1 8-inch cake 1x


Made without eggs or dairy, this one-pan fudgy chocolate cake is a no-frills dessert that’s perfect for birthdays or potlucks.


  • 1 1/2 cups (180 g) all-purpose flour
  • 1/4 cup (21 g) natural unsweetened cocoa powder
  • 1 cup (216 g) granulated sugar (vegan, or coconut sugar)
  • 1 teaspoon baking soda
  • 1/2 teaspoon salt
  • 6 tablespoons canola oil
  • 1 tablespoon distilled white vinegar
  • 1 teaspoon vanilla extract
  • 1 cup hot water or hot coffee


  1. Preheat oven to 350˚F.
  2. Combine flour, cocoa powder, sugar, baking soda, and salt in an 8×8” baking pan.
  3. Using the back of a spoon, make three wells in the dry mixture.
  4. Pour vanilla extract into one well, vinegar into another, and oil into the third. Then pour hot water or coffee over all the ingredients. Stir until just combined.
  5. Bake for 30-40 minutes, or until an inserted toothpick comes out clean.
  6. Remove from oven and allow to cool completely. Frost or sprinkle with powdered sugar and cut into 9 equal pieces. Serve and enjoy!
  • Prep Time: 10 minutes
  • Cook Time: 30 minutes
  • Category: Cake
  • Method: Baking
  • Cuisine: Vegan

Keywords: dessert, cake, chocolate cake, vegan dessert, chocolate