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
3answers
3k views

Can you freeze mirepoix?

Can I chop up and freeze mirepoix raw, or do the vegetables have to be blanched first? Thanks!
6
votes
2answers
6k views

Is there a difference between green and spring onions?

I've seen some recipes call for green onions but always use spring onions? Is there a difference between them? Is there a better substitute?
8
votes
4answers
722 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?