Donna Hay's easy-to-make rich and fudgy Chocolate Brownies converted for the Thermomix.

Sometimes you need some soul food, and these rich and decadent Thermomix Chocolate Brownies hit the spot. They’re soft and gooey with a crackly top and take only ten minutes to prepare in the Thermomix.
What I love about them is they’re made with cocoa powder instead of melting chocolate. Whenever I buy chocolate with good intentions of using it for cooking, it gets devoured by my greedy teens (or myself 😋).
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Step by Step Instructions
Note: This is a summary of the instructions. The full ingredients and instructions are shown in the recipe card below.
- Melt the butter, sugar and cocoa powder in the TM bowl for 3 minutes at 50 degrees.
- Set the Thermomix running for 1 minute while adding the eggs one at a time and vanilla extract through the hole in the lid.
- Lastly, add the flour and mix for a few seconds until combined.
- Pour into a square brownie tin measuring 20cm x 20 cm, smooth over the top with the back of a spoon and bake in the oven for 30-35 minutes until the centre is set.
- Leave to cool in the tin completely then, cut into squares.
Some Variations To Take Them to the Next Level!
Try Adding These Before Baking: -
- Add some crunch to your brownies by adding some chopped walnuts or pecans.
- For a triple chocolate brownie, stir in white or dark chocolate chips or both.
- Add some dried cherries for a sharp fruity contrast.
Storage
If any brownies are left over, store them in an airtight container in a cool place for a few days.
To freeze, separate each brownie with baking paper, so they don’t stick together and freeze in an airtight container for up to three months.
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📖 Recipe
Thermomix Chocolate Brownies (Donna Hay Recipe)
Donna Hay's rich and fudgy Chocolate Brownies converted for the Thermomix.
Ingredients
- 150g butter, unsalted
- 275g caster sugar
- 75g cocoa powder (unsweetened)
- 1 teaspoon vanilla extract
- 3 large eggs
- 75g plain flour
Instructions
- Preheat the oven to 160°C / 140° fan forced and line a 20cm square baking tin with baking paper.
- Place the butter, sugar and cocoa powder into the Thermomix bowl and heat for 3 mins/50/speed 2.5.
- Set the Thermomix to 1 min/speed 3 and add the eggs one at a time through the hole in the lid, followed by the vanilla extract. Keep the Thermomix running until the end of the minute.
- Add the flour and mix for 3 sec/speed 5. Scrape down the bowl, then mix again for 3 sec/speed 5 until thoroughly combined.
- Pour the batter into the prepared tin and bake in the oven for 30-35 minutes until the centre is set.
- Leave to cool completely in the tin before cutting up into 16 squares.
Notes
Storage
If any brownies are left over, store them in an airtight container in a cool place for a few days.
To freeze, separate each brownie with baking paper, so they don’t stick together and freeze in an airtight container for up to three months.
Nutrition Information:
Yield: 16 Serving Size: 1 squareAmount Per Serving: Calories: 184Total Fat: 9gSaturated Fat: 5gTrans Fat: 0gUnsaturated Fat: 3gCholesterol: 55mgSodium: 15mgCarbohydrates: 24gFiber: 1gSugar: 17gProtein: 3g
The information shown is an estimate provided by an online nutrition calculator. It should not be considered a substitute for a professional nutritionist’s advice.
Jade
If I were to use a sugar free type alternative - would I use less or the same amount?
Thankyou for sharing these! I made them for my kids and husband last week and they were incredible x
Vicki
Hi Jade, I'm glad these turned out well for you! I'm sorry I haven't made them with a sugar free alternative so not sure how they would turn out. Vicki x
Marcelle
To die for! Added chopped pecans as well as a layer of caramel treat in the middle. Delicious! And so easy. (In South Africa we can buy cooked condensed milk in a tin which is called 'Caramel Treat'
Vicki
That sounds amazing Marcelle, I'm so glad you loved it!
Veronica Edney
These are really chocolatey and delicious. They also freeze well.
Vicki
That's great to hear Veronica, I'm so glad they turned out well! Vicki
HARLEYTRUMP
The brownies were very good I loved them and so did my family thank you for making this recipe for everyone to enjoy!
Vicki
Your welcome, I'm so glad you enjoyed them!
Fiona Greaves
Can you please let me know the temperature to bake these at? Also when adding the eggs & vanilla essence what speed should you have the thermomix at?
Vicki
Hi Fiona, the detailed instructions are in the recipe card at the bottom of the post.
Preheat the oven to 160°C / 140°C fan forced and bake for 30-35 minutes. When adding the eggs and vanilla - set the Thermomix to 1 min/speed 3 and add the eggs one at a time through the hole in the lid followed by the vanilla extract. Keep the Thermomix running until the end of the minute. Vicki.
Bec
Could I bake these in mini muffin trays? Would love to do these for my daughter's birthday party! If so, what would you recommend adjusting baking time and temp to? Thanks!
Vicki
Hi Bec, I'm afraid I haven't tried doing these in muffin trays, so not altogether sure how they would turn out. Best wishes, Vicki.
Brooke
If you doubled this recipe how long would u bake for?
Vicki
Hi Brooke, sorry I've never doubled the recipe, so I can't be sure of the exact timing. Kind regards, Vicki
Sammi
Hello and greetings
Can I ask if I should use the butterfly whisk? I noticed that many recipes I see here for baking, doesn’t specify the need for the whisk. So do I or it’s not necessary? Thank you! Can’t wait to try this recipe tomorrow.
Vicki
Hi Sammi,
No, there's no need to use the butterfly whisk in this recipe. Hope you enjoy it 😊. Best wishes Vicki.
Kylee
These are a fave for my kids and their friends. So quick and easy to make. Last time I didn't have any vanilla but read on google you could use maple syrup instead. They came out exactly the same.
Vicki
Thanks Kylee - so glad you enjoyed them. Vicki