One Bowl Molten Chocolate Sticky Toffee Pudding Cake

One Bowl Molten Chocolate Sticky Toffee Pudding Cake transforms a classic British steamed sponge into a rich, square-baked dessert. This molten chocolate sticky toffee pudding combines a dark chocolate sticky toffee cake soaked in warm toffee caramel sauce, finished with toffee buttercream frosting and flaky sea salt. It is a single-bowl recipe with deep, layered flavour.

What to Expect from This One Bowl Molten Chocolate Sticky Toffee Pudding Cake

The cake bakes into a damp, tender crumb with a fine, even structure. Poking holes across the top turns the surface into a sponge that drinks up the warm sauce. Each slice holds its shape when cut but stays soft at the centre, almost molten where the caramel pools.

Flavour moves from dark chocolate and browned sugar into butter and cream, then back to a light salt edge on the finish. The frosting is pale beige, lightly sweet, and does not overpower the cake. This is a sticky toffee pudding cake built for cold weather and strong coffee.

Ingredients for One Bowl Molten Chocolate Sticky Toffee Pudding Cake

Use chocolate between 60% and 70% cocoa for the dark chocolate sticky toffee cake, chopped fine so it melts fast. Cook the toffee caramel sauce recipe to a deep amber before adding cream; a pale sauce tastes flat. Soft butter at room temperature gives the toffee buttercream frosting its smooth body. Finish with flaky sea salt, not fine table salt.

How to Make One Bowl Molten Chocolate Sticky Toffee Pudding Cake

Mix and Bake the Cake

Whisk the dry ingredients in one large bowl. Add the melted chocolate, butter, eggs, and liquid, then stir until the batter is glossy and smooth. Pour into a lined square pan and bake until the centre springs back and a skewer comes out with a few moist crumbs. Cool ten minutes.

Soak with Toffee Caramel Sauce

Poke holes evenly over the top of the warm cake with a skewer, spacing them about two centimetres apart. Pour the warm toffee caramel sauce across the surface and spread it with the back of a spoon, working it into the holes. Let the cake sit so the sauce soaks in fully.

Frost, Marble, and Finish

Deposit scoops of toffee buttercream frosting over the soaked cake. Smooth it with an offset spatula, leaving textured waves and crests across the surface. Drizzle more warm caramel over the frosting and marble it lightly with the spatula tip. Garnish with coarse flaky sea salt.

Bake at 350°F and Watch the Centre

Bake at 350°F (175°C) on the middle rack for 30 to 35 minutes in an 8-inch square pan. Start checking at 28 minutes. The edges should pull slightly from the pan and the top should feel set but soft under light pressure.

Underbaking leaves a wet centre that collapses once the sauce goes on. Overbaking dries the crumb and blocks absorption. If the top browns early, tent it with foil. Pour the sauce while the cake is still warm, not hot.

Serving Ideas

Slice straight down into clean squares and serve warm on a dessert plate with a dessert fork. A spoon of crème fraîche or vanilla ice cream cuts the sweetness. For a fruit-forward pairing, try this apple cake with toffee sauce.

Keep portions small; the cake is dense. Serve with black coffee or a strong builder's tea. If you like caramel with spice, this apple spice cake with salted caramel cream cheese frosting uses a similar sauce technique.

Storage

Store frosted cake in the fridge, covered, for up to four days. Let slices sit at room temperature for twenty minutes before serving so the frosting softens and the caramel loosens. Warm briefly in the microwave if you want the molten effect back.

To freeze, wrap individual unfrosted squares tightly in plastic, then foil, for up to two months. Thaw overnight in the fridge, warm gently, then add fresh sauce and frosting. Frosted cake freezes less well because the buttercream separates.

Helpful Troubleshooting

• Cake sinks after saucing: it was underbaked. Return to the oven for five more minutes next time.
• Sauce too thin: simmer the caramel two minutes longer before adding cream.
• Frosting grainy: butter was too cold. Beat longer or warm the bowl slightly.
• Frosting slides: cake was too warm. Cool fully before frosting.
• Dry crumb: you overbaked. Check at 28 minutes and pull early.

More Recipes to Try Next

If you liked this cake, try this banana cake with chocolate chip hazelnut streusel or this brown butter pumpkin chocolate chunk bars.

★ Tested Recipe

One Bowl Molten Chocolate Sticky Toffee Pudding Cake

A warm, gooey dark chocolate sticky toffee pudding cake soaked in caramel sauce, topped with toffee buttercream, more caramel, and a flaky sea salt finish.

Save Print Share Pin ↓ Nutrition

Prep Time

15 min

Cook Time

15 min

Total Time

45 min

Servings

12 servings

Calories

225 kcal

Scale: 1x2x3x · − 12 servings +

US Metric

Cook Mode

Ingredients

Copy list

• 1 1/2 cups all-purpose flour 180 g
• 1 cup dark brown sugar 200 g
• 1/2 cup unsweetened cocoa powder 50 g
• 1 tsp baking soda 5 g
• 1/2 tsp fine sea salt 3 g
• 2 large eggs 100 g
• 1/2 cup whole milk 120 g
• 1/2 cup unsalted butter melted 113 g
• 1 tsp vanilla extract 5 g
• 3/4 cup toffee caramel sauce 240 g
• 1 cup toffee buttercream frosting 200 g
• 1 tsp flaky sea salt 4 g

Directions

1. 1
   Preheat oven to 350°F (175°C). Grease an 8x8 inch square baking pan and line with parchment paper.
2. 2
   In a large bowl, whisk together flour, dark brown sugar, cocoa powder, baking soda, and fine sea salt until no lumps remain.
3. 3
   Add eggs, milk, melted butter, and vanilla extract to the dry ingredients. Whisk until just combined and smooth.
4. 4
   Pour batter into the prepared pan and bake for 15 minutes, or until a toothpick inserted into the center comes out clean. Let cool in pan for 10 minutes, then transfer to a wire rack to cool completely.
5. 5
   Once cooled, poke holes evenly over the top of the cake using a skewer or toothpick. Warm the toffee caramel sauce slightly and pour half evenly over the cake, spreading with the back of a spoon to fill the holes.
6. 6
   Deposit scoops of toffee buttercream frosting over the soaked cake. Smooth with an offset spatula, creating textured waves and crests.
7. 7
   Drizzle remaining warm toffee caramel sauce over the frosting and lightly marble it with the tip of the offset spatula. Garnish with flaky sea salt.
8. 8
   Slice the cake straight down into 12 clean square portions. Serve warm on dessert plates with dessert forks.

Tap a step number to check it off as you cook.

Nutrition Facts per serving · estimated

Amount per serving

Calories 225 kcal 11% DV

% Daily Values are based on a 2,000-calorie diet (FDA).