Quick Recipe Version (TL;DR)
Quick Ingredients
- 1/4 cup (57 g) unsalted butter
- 1/2 cup (100 g) granulated sugar
- 1/2 cup (120 ml) whole milk
- 1 tsp vanilla extract
- 1 cup (125 g) all-purpose flour
- 2 tbsp (10 g) unsweetened cocoa powder
- 2 tsp baking powder, 1/4 tsp fine salt
- 1/2 cup (110 g) packed light brown sugar
- 1/4 cup (50 g) granulated sugar
- 1/4 cup (25 g) unsweetened cocoa powder
- 1 1/4 cups (300 ml) very hot water or hot coffee
- Optional to serve: vanilla ice cream or whipped cream
Do This
- 1. Heat oven to 350°F (175°C). Put butter in an 8-inch (20 cm) square baking dish; melt in oven 3–5 minutes.
- 2. Swirl butter to coat sides. Whisk in 1/2 cup sugar, milk, and vanilla right in the dish.
- 3. Add flour, 2 tbsp cocoa, baking powder, and salt; whisk until smooth. Level the batter.
- 4. In a bowl, mix brown sugar, 1/4 cup sugar, and 1/4 cup cocoa. Sprinkle evenly over batter.
- 5. Gently pour hot water or coffee over the top. Do not stir.
- 6. Bake 30–35 minutes until the top is set and springs back; sauce will bubble underneath. Rest 10 minutes.
- 7. Spoon into bowls, digging to the bottom for warm fudge sauce. Serve with ice cream if you like.
Why You’ll Love This Recipe
- One pan from start to finish—mix, bake, and serve from the same dish.
- Magic two-in-one: a fluffy chocolate cake on top with a rich, fudgy sauce underneath.
- Pantry staples, no mixer required, ready in under an hour.
- Delicious warm with a scoop of ice cream for an easy, crowd-pleasing dessert.
Grocery List
- Produce: Optional garnish: fresh raspberries, orange for zest, fresh mint
- Dairy: Unsalted butter, whole milk, optional vanilla ice cream or whipped cream
- Pantry: All-purpose flour, granulated sugar, light brown sugar, unsweetened cocoa powder, baking powder, fine sea salt, vanilla extract, coffee (or use water)
Full Ingredients
For the batter (mixed in the pan)
- 1/4 cup (57 g) unsalted butter
- 1/2 cup (100 g) granulated sugar
- 1/2 cup (120 ml) whole milk, at room temperature
- 1 tsp vanilla extract
- 1 cup (125 g) all-purpose flour
- 2 tbsp (10 g) unsweetened cocoa powder
- 2 tsp baking powder
- 1/4 tsp fine sea salt
- Optional: 1 tsp instant espresso powder for deeper chocolate flavor
For the fudgy topping
- 1/2 cup (110 g) packed light brown sugar
- 1/4 cup (50 g) granulated sugar
- 1/4 cup (25 g) unsweetened cocoa powder
- Pinch fine sea salt
For the sauce
- 1 1/4 cups (300 ml) very hot water or freshly brewed hot coffee
To serve (optional)
- Vanilla ice cream or softly whipped cream
- Fresh raspberries or a little orange zest

Step-by-Step Instructions
Step 1: Preheat and melt the butter
Position a rack in the center of the oven and heat to 350°F (175°C). Place the butter in an 8-inch (20 cm) square baking dish (ceramic or metal preferred). Set the dish in the warming oven just until the butter melts, 3 to 5 minutes. If using glass, melt the butter in the microwave and pour it into the dish to avoid thermal shock. Swirl to coat the bottom and sides.
Step 2: Whisk the wet ingredients in the pan
Remove the dish from the oven and, using a heat-safe silicone whisk or spatula, mix in the granulated sugar, milk, and vanilla until the mixture looks creamy and uniform.
Step 3: Add the dry ingredients to form the batter
Sprinkle the flour, cocoa powder, baking powder, salt, and optional espresso powder evenly over the wet mixture. Whisk just until smooth and no dry pockets remain. The batter will be fairly thick. Smooth the top with a spatula so it bakes evenly.
Step 4: Make the cocoa-sugar topping
In a small bowl, combine the brown sugar, granulated sugar, cocoa powder, and a pinch of salt. Break up any lumps with your fingers or a fork. Evenly sprinkle this mixture over the batter, covering it from edge to edge.
Step 5: Pour on the hot liquid (do not stir)
Gently pour the very hot water or hot coffee over the entire surface. For the most even layer, pour slowly over the back of a spoon. Do not stir—this is what creates the fudgy sauce beneath the cake.
Step 6: Bake until set on top and saucy underneath
Bake for 30 to 35 minutes, until the top looks dry, springs back lightly in the center, and small bubbles of sauce are visible around the edges. A tester inserted into the cake portion should come out with a few moist crumbs (avoid the sauce at the bottom).
Step 7: Rest and serve warm
Let the pudding cake rest for 10 minutes to allow the sauce to thicken. Spoon into bowls, digging deep to scoop both fluffy cake and warm fudge sauce. Serve as-is or with vanilla ice cream, whipped cream, or fresh berries.
Pro Tips
- Use very hot liquid. Boiling water or freshly brewed coffee helps the sauce form properly.
- Do not stir after adding the hot liquid. Stirring prevents the self-saucing effect.
- For deeper flavor, replace the water with hot coffee and add a teaspoon of espresso powder to the batter.
- If using a metal pan, check at 28 minutes; ceramic can take the full 35 minutes.
- Let it rest before serving so the sauce thickens to a luscious, spoonable consistency.
Variations
- Double Chocolate: Fold 1/2 cup (85 g) chopped dark chocolate or chocolate chips into the batter for pockets of melty chocolate.
- Orange-Mocha: Add 1 tbsp finely grated orange zest to the batter and use hot coffee for the sauce.
- Mint-Chocolate: Swap vanilla for 1/2 tsp peppermint extract and garnish with fresh mint.
Storage & Make-Ahead
Best served warm the day it is baked. Refrigerate leftovers in an airtight container for up to 3 days. Reheat individual portions gently in the microwave (20 to 30 seconds) to re-melt the sauce; add a splash of milk if needed. To freeze, portion into airtight containers and freeze up to 2 months. Thaw overnight in the fridge and reheat as above.
Nutrition (per serving)
Approximate values for 1 of 6 servings: 360 calories; 13 g fat; 58 g carbohydrates; 4 g fiber; 35 g sugars; 5 g protein; 220 mg sodium.


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