How to caramelize onions

How to caramelise onions?

The caramelized onion is a valid alternative to the one prepared in the oven. It is a sweet and sour side dish perfect to combine with seasoned cheeses with a solid flavor for enriching burgers’ filling or bring delicious croutons to the table. caramelize onions.  If it is combined with meat or fish main courses, the onion prepared in this way gives it an extra touch.

To prepare this recipe, you can use all types of onions, knowing that you will get a more vibrant flavor with the white ones. If you use the red ones or the  Tropea onions,  typical of  Calabria, you will get a caramelized onion with a more delicate and sweet sopor. I used some red onions and a glass of Sardinian wine.

Caramelized red onions

Ingredients for two people

  • 600 g of red onions
  • 70 g of sugar
  • 125 ml of dry white wine (such as a Vermentino di Gallura Superiore DOCG Siddura)
  • 10 g of extra virgin olive oil
  • Two pinches of acceptable salt
  • Two tablespoons of balsamic vinegar

How to caramelize onion

To prepare the caramelized onions, start by cleaning the onions. Remove the intricate outer layers, remove the ends, and then cut each onion in half.

Slice them on a cutting board to a thickness of about one centimeter.

Put the sliced ​​onions in a saucepan with extra virgin olive oil, white wine, sugar, and salt. Mix everything well and ignite the gas over medium-high heat for a few minutes, stirring often.

Lower the gas, cover the saucepan, and cook over moderate heat for about thirty minutes, turning from time to time to check the cooking.


Remove the lid and continue cooking for another 30 minutes until the onions have dried and become dark, thanks to the sugar.

After the indicated time, add the balsamic vinegar, increase the heat to evaporate the alcoholic part, and mix everything well.

Drying the onions will begin to stick and caramelize, then add very little water to deglaze the bottom.

Remove the caramelized onions from the heat.

Thermomix caramelize onions

If you have a thermomix, you can prepare the onions without constantly turning them. Just put all the ingredients together and set it for 30 min. at a 120 ° speed soft counter-clockwise function with the basket in place of the measuring cup to avoid any splashes.

Caramelized onions for burgers

These caramelized onions in a pan are great for enriching your sandwiches. Take soft burger buns, split them, put lettuce leaf in, burger. Sprinkle with ketchup and complete with caramelized onion prepared as I explained to you, and enjoy your meal.

storage: caramelize onions

If you want to make a larger dose than that indicated by the recipe and you have leftovers, you can keep the caramelized onions for several days in the fridge. Or you can put them in a glass jar, sterilize them following the guidelines and enjoy them as needed. For example, you could find them at a dinner with friends to serve them as an appetizer.

Also Read: How much paint do i need

Post Author: Amir

28 thoughts on “How to caramelise onions?

Leave a Reply

Your email address will not be published. Required fields are marked *