When you want a dessert that feels classic, comforting, and deeply chocolatey, Wellesley Fudge Cake is the perfect choice. This traditional-style cake is known for its tender crumb and bold fudge flavor, finished with a smooth, glossy chocolate frosting that tastes like a bakery treat.
Unlike many modern cakes that rely on overly sweet shortcuts, this homemade version focuses on real cocoa, butter, and a rich chocolate finish—making it ideal for birthdays, holidays, Sunday dinners, or any time a serious chocolate craving hits.
Ingredients
Serves 12 (one 9×13-inch cake or two 9-inch round layers)
For the Cake
- 1 3/4 cups (220g) all-purpose flour
- 1 1/2 cups (300g) granulated sugar
- 3/4 cup (75g) unsweetened cocoa powder
- 1 1/2 teaspoons baking powder
- 1 1/2 teaspoons baking soda
- 1/2 teaspoon salt
- 2 large eggs, room temperature
- 1 cup (240ml) whole milk (or buttermilk for extra tenderness)
- 1/2 cup (120ml) vegetable oil
- 2 teaspoons vanilla extract
- 1 cup (240ml) hot coffee (or hot water)
For the Fudge Frosting
- 1/2 cup (115g) unsalted butter
- 1/2 cup (50g) unsweetened cocoa powder
- 1/3 cup (80ml) milk
- 2 1/2–3 cups (300–360g) powdered sugar, sifted
- 1 teaspoon vanilla extract
- Pinch of salt
Preparation Time
- Prep time: 15 minutes
- Baking time: 30–35 minutes
- Cooling time: 45–60 minutes
- Total time: About 1 hour 45 minutes
Step-by-Step Instructions
Step 1: Prep the Pan
Preheat oven to 350°F (175°C). Grease and line a 9×13-inch pan (or grease two 9-inch round pans). Dust lightly with cocoa powder if desired.
Step 2: Mix the Dry Ingredients
In a large bowl, whisk flour, sugar, cocoa powder, baking powder, baking soda, and salt until evenly combined.
Step 3: Add the Wet Ingredients
Add eggs, milk, oil, and vanilla. Mix until smooth and well blended.
Step 4: Add the Hot Coffee
Slowly pour in hot coffee (or hot water) and mix until the batter becomes thin and glossy. This is normal and helps create a moist cake.
Step 5: Bake
Pour batter into the prepared pan(s).
Bake for 30–35 minutes (round pans: 28–32 minutes), or until a toothpick inserted in the center comes out with a few moist crumbs.
Step 6: Cool
Let the cake cool in the pan for 15 minutes, then transfer to a rack to cool completely before frosting.
Step 7: Make the Fudge Frosting
In a saucepan over medium heat, melt butter. Whisk in cocoa powder and milk until smooth. Remove from heat.
Whisk in powdered sugar, vanilla, and salt until thick and creamy. Add a tiny splash of milk if needed.
Step 8: Frost and Serve
Spread frosting over the cooled cake. Slice and serve as-is, or chill for 20 minutes to set the frosting into a fudgy layer.
Serving Suggestions
- Serve with a scoop of vanilla ice cream for the ultimate classic combo.
- Add fresh berries (strawberries or raspberries) for a bright contrast.
- Sprinkle chocolate shavings or crushed nuts on top for extra texture.
- Serve slightly chilled for a more “fudge-like” bite.
- Pair with coffee or milk for a cozy treat.
Nutritional Highlights
| Nutrient | Per Serving (1 slice, 1/12 cake) |
|---|---|
| Calories | 390 |
| Protein | 5 grams |
| Total Fat | 18 grams |
| Saturated Fat | 6 grams |
| Carbohydrates | 56 grams |
| Sugars | 38 grams |
| Fiber | 3 grams |
| Sodium | 280 milligrams |
Nutritional Notes:
- Cocoa provides rich chocolate flavor and natural antioxidants.
- Using coffee enhances the chocolate taste without making the cake taste like coffee.
- Portion size makes a difference—this cake is rich and satisfying in smaller slices.
Tips for the Best Fudge Cake
- Don’t skip the hot coffee/water—it’s key for a moist, tender crumb.
- Measure flour correctly (spoon and level) to avoid a dry cake.
- Frost only when fully cool so the frosting stays thick and fudgy.
- For ultra-smooth frosting, sift powdered sugar before mixing.
- Want a thicker frosting layer? Increase frosting by 1.5x.
Variations to Try
- Chocolate Ganache Topping: Replace frosting with warm ganache (chocolate + cream).
- Layer Cake Version: Use two 9-inch rounds and frost between layers.
- Mint Fudge Cake: Add 1/2 teaspoon peppermint extract to frosting.
- Nutty Crunch: Fold chopped walnuts into the batter or sprinkle on top.
- Mocha Twist: Add 1 teaspoon espresso powder to the dry ingredients.
This Wellesley Fudge Cake is a timeless chocolate dessert that never goes out of style. Moist, rich, and topped with a thick fudge frosting, it’s the kind of cake that disappears fast at any gathering.
Whether you bake it for a celebration or simply to treat yourself, this recipe guarantees a deep, fudgy chocolate bite every time.

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