Use this tag for questions about selecting, identifying, storing, preparing, replacing or cooking with onion as a star ingredient.

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6
votes
1answer
8k views

Does aged onion/garlic turn green when frying?

I was frying onions and garlic the other day and the paste turned green. I had bought the onions/garlics many days ago (20-30 days) I guess. Could that be the reason? There was no fungi or something ...
12
votes
2answers
2k views

Why sweat but not brown?

Many recipes require that you sweat vegetables (celery, onions, etc). Why not saute them and brown them a little instead? Would not that develop the flavors even more? Why would you not want that?
7
votes
2answers
1k views

What can I use to flavor savory chicken stuffing instead of onion?

I made the mistake of thinking I had more onions than I did (those orange bags filled with old onion skins look fuller than they are), and now I don't have any onions left for my savory dressing. Can ...
3
votes
1answer
434 views

Do onion savers differ from other storage methods?

Santa got me an onion saver this year. It's essentially just a plastic container for a cut onion. Does this differ in any meaningful way from a plastic bag or Tupperware container? It seems a little ...
6
votes
3answers
301 views

Ways to counter the burn of too many scallions?

Last night I made mashed cauliflower and made the mistake of putting in too many scallions before I blended it. The result is a mashed cauliflower that has the distinct burn of eating raw onion. Is ...
6
votes
3answers
3k views

Can Escallion be replaced by onion?

Green onions are said to be milder than onions, which would suggest that if one do not mind the more powerful onion flavour in a particular dish then onions could be used in place of green onions. My ...
15
votes
1answer
4k views

(Why) do onions taste sweeter when cooked at lower temperature?

I use onions to add a sweeter taste to some dishes, for example in tomato sauce for pasta. I cook them in oil, with some salt, before adding the other ingredients. It seems to me that when I turn the ...
15
votes
1answer
635 views

A definitive method of dicing an onion

It bugs me that I've just sort of self-taught a method of turning a whole onion into a nicely diced pile. I'm going to assume my method is inefficient and wasteful. Could someone explain how I should ...
3
votes
2answers
242 views

Removing the onion layers in an intact way without cooking them

I was wondering if there is a way to remove the onion layers in an intact way so they're not broken or damaged. I've done this before by slightly baking the onion until it softens
11
votes
1answer
3k views

What happens to the flavour of meat when you cook it Star Anise with Onions?

What exactly is the chemical reaction that occurs when you cook Star Anise with Onions? According to Heston Blumenthal doing this intensifies the flavour of meat. Ultimately what I want to know is ...
7
votes
2answers
3k views

Should my chicken sit in liquid as it roasts, or not?

For the last chicken I roasted, I used this recipe, slightly modified. The biggest modification was that I added liquid to the pan, it was eyeballed but let's say I used about 1/2 to 1 cup total of a ...
23
votes
6answers
966 views

How to caramelise onions?

Often recipes ask for caramelised onions. What are some good techniques for cooking them this way, as it seems to take a while, and often even if they are on a low heat they can brown a bit too much ...
6
votes
5answers
1k views

Onion soup: How to chop the onion and what kind of cheese to put in it?

What is your preferred type of cut for the onion in onion soup? And how do you put the cheese? A deep chunk submerged in each plate, on top? What kind of cheese do you like?
3
votes
3answers
1k views

Why are my caramelized onions dried out?

I've tried a few different methods of caramelizing onions - several combinations of butter, olive oil, medium heat, low heat, occasional/constant stirring. It seems that no matter what I do, they dry ...
4
votes
2answers
1k views

Will frozen pearl onions caramelize as easily as fresh ones will?

Will frozen pearl onions caramelize as well as fresh ones will? Besides draining the frozen ones, is there anything that I should do to them to aid their caramelization?
11
votes
2answers
1k views

How to store Onion

I've just harvested onions from my garden. I have quite a few and should last me about 3+ months. What is the best way to prepare the onions for storage and how should I store them so they last as ...
6
votes
3answers
4k views

Can you freeze mirepoix?

Can I chop up and freeze mirepoix raw, or do the vegetables have to be blanched first? Thanks!
8
votes
4answers
777 views

Can I freeze caramelised onions?

Caramelised onions seem easier to make in large batches, so could I make a big batch then freeze them in say, ice cube trays, for later use? Or would this have a detrimental effect on them?