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Old-Fashioned Chocolate Cake

Hot water turns the cocoa batter thin before it bakes into a tender, moist crumb. The flavor settles overnight, so a second-day slice may be even better.

Large square of old-fashioned chocolate cake topped with glossy broiled coconut and chopped nuts, served beside the remaining 9x13-inch cake.
Recipe link
Prep time10 min
Cook time35 min
Total time1 hr 45 min
Course
Dessert
Cuisine
Granny's Recipes, American
Difficulty
Easy
Est. calories / serving
330

Ingredients

Dry Ingredients

  • 2 cups all-purpose flour
  • 2 cups granulated sugar
  • ¾ cup natural unsweetened cocoa powder
  • 2 teaspoons baking powder
  • 1 ½ teaspoons baking soda
  • ½ teaspoon salt

Wet Ingredients

  • 2 cups water — divided; 1 cup room temperature and 1 cup boiling
  • 10 tablespoons vegetable oil or canola oil
  • 2 large eggs
  • 2 teaspoons vanilla extract

Instructions

  1. Prepare the Oven and Pan: Position a rack in the center of the oven and preheat to 350°F. Grease and flour a 9x13-inch metal baking pan.
  2. Mix the Dry Ingredients: In a large mixing bowl, whisk together the flour, sugar, cocoa powder, baking powder, baking soda, and salt until evenly combined and no large cocoa lumps remain.2 cups flour, 2 cups sugar, ¾ cup cocoa powder, 2 tsp baking powder, 1½ tsp baking soda, ½ tsp salt
  3. Build the First Batter: Add 1 cup room-temperature water, the vegetable oil, eggs, and vanilla extract. Whisk for about 1 minute, scraping the sides and bottom of the bowl as needed, until the batter is smooth and no dry pockets remain.1 cup water, 10 tbsp vegetable oil, 2 eggs, 2 tsp vanilla extract
  4. Add the Hot Liquid: Slowly whisk in the remaining 1 cup boiling water until completely incorporated. The finished batter will be much thinner than a typical cake batter.1 cup boiling water
  5. Bake: Pour the batter into the prepared pan and spread it evenly. Bake for 32 to 38 minutes, beginning to check at 30 minutes. The cake is done when the center springs back lightly, the surface no longer looks wet, and a toothpick or cake tester comes out with a few moist crumbs but no liquid batter.
  6. Cool: Set the pan on a cooling rack and let the cake cool completely, about 1 hour, before slicing or adding a standard frosting. If using Broiled Coconut Frosting, follow the timing and application directions in that linked recipe.

Notes

  • Cocoa Powder: Use natural unsweetened cocoa powder for the base formula. Dutch-process cocoa changes the acidity and should not be substituted without retesting the leavening.
  • Batter: The finished batter should seem much thinner than most cake batters. That is expected and helps create the cake’s soft, moist crumb.
  • Coffee Variation: Replace the first cup of water with room-temperature brewed coffee and the second cup with hot brewed coffee, keeping the total liquid at 2 cups.
  • Round Cake Variation: Grease and flour two 8-inch round cake pans and line their bottoms with parchment paper. Divide the batter evenly and begin checking at 32 minutes; the deeper layers may need 35 to 40 minutes. Cool in the pans for 15 minutes before turning them onto cooling racks.
  • Make Ahead: Bake the cake one day ahead, cool it completely, and keep it tightly covered in the pan until ready to finish and serve.
  • Storage: Keep the cooled, unfrosted cake tightly covered at room temperature for up to 3 days, or freeze it for up to 3 months. Follow the linked frosting recipe’s storage directions once the cake is frosted.
  • Serving: Serve the cake plain, dusted with powdered sugar, covered with a simple chocolate frosting, or finished with the optional Broiled Coconut Frosting.

Serving Suggestions

  • broiled coconut frosting

Nutrition (Approximate Per Serving)

Yield

1 9x13-inch cake (12 slices) — Serving size: 1 slice

Calories
330
Carbohydrates
53 g
Protein
4.5 g
Fat
13 g
Saturated Fat
1.5 g
Cholesterol
30 mg
Sodium
420 mg
Fiber
2.5 g
Total Sugars
33.5 g

Equipment

  • Large mixing bowl (Use a bowl large enough to hold a thin, high-volume batter; approximately 4 quarts or larger.)
  • Heatproof liquid measuring cup (Use a 2-cup capacity or larger vessel suitable for boiling water.)
  • Measuring cups and spoons
  • Whisk
  • Rubber spatula
  • 9x13-inch metal baking pan (Use a metal pan for the approved primary method.)
  • Cooling rack
  • Toothpick or cake tester

Full recipe: https://gbbutterclub.com/recipes/old-fashioned-chocolate-cake/