The problem with traditional cooking is heat control. The onion requires patience, constant movement and an exact temperature so that its natural sugars are transformed into liquid gold without becoming bitter.
The agitation comes when you see those photos on social media of shiny, juicy burgers, while yours tend to be dry or with unbalanced flavors. Don’t settle for less when you have technology on your side.
The definitive solution is your robot. Today you will learn to master the technical caramelization technique and professional assembly.
Get ready to transform a simple dinner into a sensory experience. With these sliders, success at your next meeting is guaranteed.

Meat Sliders with Caramelized Onion in Thermomix
In 2026, “Comfort Food Gourmet” has taken over. We are no longer looking to eat a lot, but rather to eat with a higher intensity of flavor and in small or sliders.
This recipe has gone viral for its ability to Batch Cooking. You can leave the onion ready on Sunday and elevate any dish during the week, saving time and energy.
Furthermore, the use of cheeses with personality such as Brie or Gouda responds to the search for authentic ingredients as opposed to industrially processed ones.
The most serious mistake when making caramelized onion is not using the Reverse Spin. Without it, you’ll end up with onion puree instead of honeyed, golden strands.
Another secret is the evaporation point. If you notice that the onion has too much liquid at the end, remove the beaker and place the basket on the lid to promote evaporation without splashes.
For a perfect pairing, I recommend pairing these sliders with our Spiced Wedge Potatoes in Thermomix, which provide the necessary crunchy touch.
Remember: the quality of the meat is vital. Ask your butcher to chop the piece on the spot; The infiltrated fat is what guarantees that the slider is an explosion of juice.
Healthy Tip: If you’re following a Keto diet, substitute firm romaine lettuce leaves for the bread and use erythritol instead of sugar for the onion.
Put the onions in the glass. We program to obtain uniform pieces that caramelize evenly.
Parameters: 5 sec / Speed 4.
Add the oil and butter. The mixture of fats is the secret to the professional shine of the onion.
Parameters: 30 min / 120°C / Reverse Spin / Spoon Speed.
Add salt and sugar. This is the moment where the magic of the amber color happens.
Parameters: 10 min / 120°C / Reverse Spin / Spoon Speed.
Divide the meat into 8 60g balls. Crush gently. Cook on a very hot griddle for 2 minutes per side.
Tip: Put the cheese on the meat at the last minute and cover the pan to melt.
| Phase | Time | Temp. | Speed |
|---|---|---|---|
| Chopped | 5 sec | – | Speed 4 |
| Caramelized 1 | 30 min | 120°C | Inv. Turn / Vel Spoon |
| Caramelized 2 | 10 min | 120°C | Inv. Turn / Vel Spoon |
Yes, perfectly. Lasts up to 3 months in the freezer. Defrost in the refrigerator 24 hours before using.
Put 1 liter of water, a splash of dish soap and vinegar. Program 5 min / 80°C / Speed 4. It will be impeccable.
Brioche bread is the best because of its high butter content, which helps support the juices of the meat.
Clear. Onion has natural sugars. It will only take about 5-10 more minutes to reach the desired dark color.
Make a small indentation with your finger in the center of the mini burger before cooking. This prevents it from bulging.








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