FAQs
How to Use Caramelized Onions. You can use onions prepared this way on top of steak, or for onion soup, tarts, pizza, or onion dip. Or you can do what I did with this batch, eat it straight up.
What is the trick to caramelizing onions quickly? ›
Once the water is boiling or close to it, put a lid on the pan so the onions can steam. This essentially massively speeds up the process of wilting the onions, which can be the first 15-20 minutes of the sautéing process.
Do you caramelize onions with butter or oil? ›
Our Test Kitchen likes to use butter when caramelizing onions, as it offers the richest flavor. If you avoid dairy or don't have butter, you can caramelize onions in other fat such as margarine or olive oil. Add the onion slices. It's okay if they overlap a bit here because they'll shrink as they cook down.
What is the best liquid to caramelize onions in? ›
Once you've finished cooking the onions to desired doneness, deglaze the pan with 1/4 cup of water (for extra flavor, you can also use vegetable or chicken broth, balsamic vinegar, red, white or Madeira wine, beer or brandy).
Should you stir when caramelizing onions? ›
Stirring the onions and scraping down the sides of the pan often to ensure no strand darkens faster than another is key. A heatproof rubber spatula is the tool for this job; it's stiff enough to scrape the bottom of the pan and flexible enough to clean the sides.
Why add baking soda to caramelize onions? ›
Baking soda makes the onions more alkaline, which speeds up the browning reactions necessary for properly caramelized onions. But it also weakens the pectin that holds the onion's cells together, turning what should be soft but distinct pieces of browned onion into a nauseating stew of pea-green mush.
Are caramelized onions worth it? ›
Still, the time is totally worth it. Packed with irresistible umami flavor, caramelized onions add complexity to all sorts of savory dishes. If you like cooking, knowing how to caramelize onions is a must.
What's the difference between caramelized and sauteed onions? ›
Sautéing vs caramelizing
Sautéing is about softening and lightly flavoring the onions, while caramelizing is about developing a rich, sweet complexity. Unfortunately, you can't swap one out for the other without changing the flavor profile of your dish.
Why add vinegar to caramelize onions? ›
Tip: use apple cider vinegar for white and yellow onions and balsamic vinegar for red onions. Tip: the vinegar serves to deglaze the pan, adds acidity, and brings this recipe together by boosting the tangy and savory flavors of the caramelized onions. If the onions stick to the pan, that's fine.
Should I salt my onions when caramelizing? ›
Salting caramelized onions is like the icing on the cake. They must have salt but don't make the mistake of salting the onions too early. Instead, salt them at the very end of the recipe. Salt makes the onions release moisture which can slow down the caramelization.
Not cooking the onions long enough.
It might be tempting to pull the onions off the stove as soon as they start to soften and turn golden-brown, but resist the urge. They're not completely cooked yet — they need more time. Caramelized onions should be far darker than golden in color.
Do you caramelize onions with the lid on or off? ›
Cover the pot with a lid, and then turn the burner on to medium-low heat. Cook covered until the onions have mostly broken down and are a pale brown sludge (about 45-60 minutes). Be sure to stir the pot periodically, checking to make sure the onions aren't burning.
Can you put too much butter in caramelized onions? ›
You definitely want the flavor of butter in your onions—but butter has the tendency to burn. For insurance, use a combination of butter and oil, which has a higher smoking point. But how much do you use? Depending on the consistency you want your onions, you can use more or less fat.
Do you caramelize onions on low or high heat? ›
While you can start the cooking process at medium heat, low and slow is the name of the game when it comes to caramelizing onions. Once your onions begin to soften and take on a golden hue, you'll want to reduce the heat from medium to medium-low or even low for the remainder of the cooking process.
What is the difference between caramelized onions and sauteed onions? ›
Sautéing vs caramelizing
Sautéing is about softening and lightly flavoring the onions, while caramelizing is about developing a rich, sweet complexity. Unfortunately, you can't swap one out for the other without changing the flavor profile of your dish.
Why do you add water to caramelize onions? ›
Gills Onions Make the Best Caramelized Onions
You start by sweating onions over medium-low heat, adding small amounts of water anytime the onions start to look dry or begin to brown very quickly. The water moistens the onions and helps dissolve sugars to prevent burning.
When caramelizing onions do you use a lid? ›
Cover the pot with a lid, and then turn the burner on to medium-low heat. Cook covered until the onions have mostly broken down and are a pale brown sludge (about 45-60 minutes). Be sure to stir the pot periodically, checking to make sure the onions aren't burning.
Do you caramelize onions diced or sliced? ›
Usually caramelized onions start with thinly sliced onions, but you can also work with diced or chopped onions. To caramelize, just place a heavy pan over medium low heat and heat up some butter or olive oil.