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Home ยป All Recipes ยป Thermomix Dessert

Molten Chocolate Cake Thermomix

Published: Jul 24, 2024 ยท Modified: Aug 15, 2024 by Julie Carlyle ยท This post may contain affiliate links ยท Leave a Comment

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Two Chocolate Fondant Cakes close up with a spoon squashing chocolate sauce out.

The molten chocolate cake is the most delectable of desserts. It's deceptively simple on the outside, yet break into the centre and free-flowing chocolate lava spills out. This chocolate sauce covers your plate creating a delicious accompaniment to the cake and of course, the ice-cream that simply must be served alongside.

Chocolate Fondant Cake on a tray and white background

This dessert may seem fussy but if you follow the instructions it is surprisingly manageable. I first started making this molten chocolate cake in about 2014! I ordered it at a restaurant and became addicted! Going to the restaurant for cake became an expensive habit. The result was a few too many dinner reservations at that restaurant. Then I worked out how to make a version that tasted just as good. It turns out there were two secret ingredients.

Chocolate Lava Cake Secret Ingredients

There are only a few ingredients in this dessert and it is really important to get the quantities correct or you may not get an adequate crust to support the molten chocolate centre.

Sugar

Sugar was the first secret ingredient. My recipe uses brown sugar for an extra deep flavour. You can use white sugar but you won't get the same rich caramel chocolate flavour.

Almond Meal

Most recipes only use flour. This affects the sauce and the cake. Using an almond meal gives the cake better flavour and texture, plus the sauce is then pure chocolate.

Chocolate Lava Cake close up with a spoon squashing chocolate sauce out.

Chocolate Fondant Cake Watchpoints

Although this dessert is relatively easy and has just a few ingredients, there are a few critical things to watch.

  • Rest the batter for at least 30 minutes in the fridge prior to cooking. Longer is better.
  • Set a timer for precisely 12 minutes cook time.
  • Ensure that your oven temperature is accurate. You can use an oven thermometer or the Thermomix Sensor.
  • Rest the Chocolate Molten Cake for 5 minutes prior to unmoulding. Set a timer.
Thermomix Sensor on White Background

Thermomix Sensor

The Thermomix Sensor is a digital thermometer that connects your Thermomix to your oven. It measures the temperature of your oven and can measure the internal temperature of the food you are cooking. It will then send that information to your Thermomix and your phone app. Accurate cooking always.
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Winter Desserts

Winter is the perfect time to enjoy some cosy desserts. Once you have tried my Chocolate Fondant cake, why not try one of these soul-warming sweets.

Bowl of Apple Crumble Thermomix on a grey background
Apple Crumble Thermomix Recipe 
Thermomix Butterscotch Pudding on a white background with a serving spoon
Butterscotch Pudding
Sticky date pudding with caramel sauce
Sticky Date Pudding

Molton Chocolate Cake FAQ

How long can the batter stay uncooked in the fridge?

The batter is fine to stay in the fridge for 7-10 days. This means you can cook one Molten Chocolate Cake per night if you like.

Can I use an alternative groundnut?

Yes! You can use ground hazelnut instead of almond meal as this nut has a similar texture to almonds.

Can I swap out brown sugar for any other type?

You can use whatever sugar you prefer but brown or dark sugar will give a richer flavour.

What can I use instead of Dariole moulds?

The silicone dariole moulds are the easiest to use. The Molton Chocolate cake will just slip out nicely. If you don't have any you can get them from the Mixshop as they are quite cheap. You can also use a muffin tray but the cook time will vary. I don't know how long it will take.

Can these be made gluten-free?

Yes! For a gluten-free version simply swap the plain flour for GF plain flour and ensure the dark chocolate you use is also without allergens.

What type of dark chocolate should I use?

It doesn't matter if you use poor quality dark cooking chocolate or 40% cocoa solids dark chocolate, the recipe will still work. I wouldn't use 70% cocoa solids as it will be more bitter and it's more oily and may not have enough structure to stand in the dome when it is unmoulded.

Twon Chocolate Fondant Cakes close up with a spoon squashing chocolate sauce out.


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Recipe Serving Adjustments

Please note, that although the recipe card allows you to change the serving size and adjust the recipe this SHOULD NOT be done. Adjusting a Thermomix recipe will lead to unexpected and undesired outcomes. Please always stick to the exact ingredient quantities and times given in my recipe.

*The recipe card is generic and designed for all websites, this is a feature I can't remove.

Chocolate Fondant Cake on a tray and white background

Molten Chocolate Cake

Julie Carlyle
The molten chocolate cake is the most delectable of desserts. It's deceptively simple, warm cake and a free-flowing chocolate lava centre.
Print Recipe
Prep Time 7 minutes mins
Cook Time 12 minutes mins
5 minutes mins
Total Time 24 minutes mins
Course Dessert, Sweet
Cuisine American, Australian, English, French
Servings 8 Serves
Calories 400 kcal

Equipment

  • 1 Sensor
  • 1 Thermomix
  • 1 Silicone Moulds

Ingredients
 
 

  • 1 teaspoon salted butter melted
  • 200 g dark chocolate I used 40% cocoa solids
  • 170 g salted butter cubed
  • 50 g brown sugar โ…“ cup
  • 35 g ground almonds 2 ยฝ Tbs
  • 41 g plain flour 2 ยฝ TBS
  • 4 eggs

Instructions
 

  • Grease dariole mould.
    Mixshop Dariole moulds dusted with cocoa powder, white background
  • Prepare Ingredients
    Chocolate Fondant Cake Ingredients
  • Place chocolate in the Thermomix bowl. Grate 4 sec/Speed 9.
    200 g dark chocolate
    Grated chocolate in Thermomix
  • Add the butter and sugar to the grated chocolate. Melt 3 min/60 degrees/Speed 2.
    50 g brown sugar, 170 g salted butter
  • Add ground nut and flour. Mix 30 sec/Speed 5.
    35 g ground almonds, 41 g plain flour
  • Turn the Thermomix on 2 min/Speed 4. Drop one egg in at a time.
    4 eggs
    Mix all the ingredient to make the Lava cake batter
  • Fill the number of Dariole moulds needed until they are โ…˜ full.
    Fille dariole moulds and reserve any leftover batter.
  • Refrigerate the moulds and reserve any remaining batter in a glass container in the fridge for the future. The Dariole moulds must stay in the fridge for at least 30 minutes prior to cooking
  • Pre-heat the oven to 200 degrees C.
  • Bake for 13 minutes. The Molten Chocolate cake may still appear wobbly in the middle.
  • Remove from the oven and allow it to stand in the mould for 5 minutes.
  • Unmould and serve.
    Chocolate Fondant Cake on a tray and white background

Notes

NOTES:
Ensure the batter rests for at least 30 minutes in the fridge prior to cooking.
Leave the cooked Molten Chocolate Cakes on the bench for 5 minutes prior to unmoulding.
This recipe can be made gluten free, please see FAQ for information.

Nutrition

Calories: 400kcalCarbohydrates: 23gProtein: 6gFat: 32gSaturated Fat: 18gPolyunsaturated Fat: 1gMonounsaturated Fat: 8gTrans Fat: 1gCholesterol: 128mgSodium: 175mgPotassium: 228mgFiber: 3gSugar: 12gVitamin A: 660IUCalcium: 51mgIron: 4mg
Keyword Chocolate, Chocolate Cake, Chocolate dessert, Chocolate Fondant Cake, Chocolate Lava Cake, Molten Lava Cake, Pudding
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Happy Cooking

j xx

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Hi, I'm Julie, a recipe developer, published cookbook author, and registered nutritionist. My first love has always been cooking and food. ThermoKitchen is where my love of food combines with a "lazy streak" as I utilise my favourite appliance, the Thermomix! I discovered Thermomix in 2014 and loved it so much I became a consultant for the brand.

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