1
vote
2answers
102 views

Does the quality of garlic degrades if I chopped, fried then use it after a week?

Here in the Philippines, most of the viands uses garlic, specially whenever we sauteing. Due to this I've found a shortcut in order to reduce the time I need whenever I cook. Instead of peeling the ...
5
votes
3answers
2k views

Do tinned foods go off (stale)?

This morning I found a tin of baked beans with a best before date of August 2014. A colleague of mine told me that it's perfectly safe to eat, and that tinned foods never go off. Can this be true? Do ...
1
vote
2answers
112 views

What to do with dehydrated potatoes tainted black?

I had many potatoes I wanted to preserve for a long time. Usually the potatoes I keep in my kitchen get rotten after a month or two (and I don't have a cellar to keep them cool), I decided to ...
2
votes
2answers
108 views

When do you hear the Ping sound of the lid sealing?

I am new to canning. I made applesauce this morning and I pulled them out of the water bath and put them on a towel on my counter to seal, but I never heard the "ping" sound of them sealing shut. When ...
3
votes
1answer
109 views

How does irradiated beef spoil?

So I usually buy irradiated beef. From what I understand, the beef is packaged, sealed, and the absolutely blasted with radiation. I'm a nuclear engineer for a living, so I know that most things ...
1
vote
0answers
39 views

Is the daily value for ingredients a minimum or maximum suggested value? [closed]

Based on a study in 1968, a 2000 calorie diet should have certain levels of essential ingredients. These can be found on food labels on almost every retail food product available. What I could not ...
1
vote
1answer
127 views

Orange spots on dry chickpea

I have had some dry chickpeas for quite some time (~6-12 months) in my pantry and now I'm looking to cook them. Most of them have some orange spots, which I'm not sure are normal (See picture ...
6
votes
1answer
112 views

Why did my lids seal?

This has never happened to me before! Last night I made Refrigerator Pickles using cucumbers and an ordinary vinegar, water, sugar brine. My intention was to make a couple jars for co-workers who ...
4
votes
2answers
644 views

How long can century eggs last refrigerated and unrefrigerated?

How long can century eggs last for refrigerated and unrefrigerated? I have some slightly cracked eggs from a friend who has stored it for months in his refrigerator. A few comments from this blog ...
0
votes
2answers
627 views

How to fix ghee which partly turned white and smells rancidly?

A friend of mine has mistakenly stored his ghee in a bowl which was not quite hermetic hence exposed to oxygen and the sun light. The result is that the ghee turned white and is rancid. See the ...
5
votes
1answer
185 views

What is the shelf life of pickled gherkins stored dry?

Our almost 2 years old toddler loves oignons accompagnying pickled gherkins. Unfortunately, trying to pick one by herself, she spilled all the pickle from a brand new (commercial, pasteurized) jar. ...
2
votes
2answers
8k views

homemade chilli oil

I am making chilli oil using light olive oil, crushed chilli, dried garlic, dried fennel seeds and parsley. I have been making this for years. I am concerned about this Botulinum business. Should I ...
7
votes
1answer
493 views

How to ship bread or bread dough?

I've been thinking about starting a boutique mail order dinner roll business. Dough While I'd really like to ship dough and allow customers to bake (per roll) at their leisure, I'm beginning to think ...
3
votes
1answer
737 views

How long does lotus root stay fresh?

I've got some lotus root that I had in the fridge about a week before I opened it. I left the lotus root in the water in which it was packaged and I'm wondering how long it stays fresh. It still ...
10
votes
5answers
20k views

How do I maximize the shelf life of my homemade hot sauce?

I am planning on putting this year's crop of hot peppers to use by trying my hand at making my own hot sauces. I've never tried this before, but I've found a number of recipes on the Internet. ...
2
votes
1answer
143 views

How long is sugar (mixed with minor ingredients) good for?

Over a year ago I made flavored sugars and have recently remembered them. They are basically a sealed container (canning jar) with a cinnamon stick, lemon/orange zest, vanilla bean/pod, or a ...
51
votes
1answer
14k views

How long can I store a food in the pantry, refrigerator, or freezer?

How do I know if a given food or ingredient I have is still good, or if I should discard it? How can I best preserve a food or ingredient? This broad question is intended as a "general reference" ...
7
votes
2answers
197 views

How to determine if canning is safe?

How can I tell if it is safe to can a particular homemade sauce? Is it just a function of pH and technique (pressure vs boiling water) or are there any other factors in play? Specifically, I would ...
2
votes
1answer
9k views

How long does it take botulism spores to germinate in the fridge?

Based on this question, I started wondering how long I could keep an anerobic food in the fridge before I have to worry about botulism colonization. 1 day? 3 days? 2 months? Clearly it's not a ...
2
votes
2answers
443 views

Is it safe to eat marinated beef that has been frozen for three days?

What if I marinated beef with oyster sauce, salt, sugar, soy sauce, garlic and onion but put into freezer for 3 days. Is it still good to eat?
15
votes
4answers
2k views

Can one preserve food by periodically heating it?

I get that keeping food temperature low will slow down chemical reactions and preserve food, but sometimes my sister preserves food by heating it every 6 hours or so (up to 1-2 days). Does this help ...
4
votes
2answers
6k views

How to preserve home-made salad dressing, without using bad preservatives? [closed]

I want to start making my own salad dressing because I don't like all of the stuff they put in processed food. However, I still would like my dressings to last more than just a few days in the fridge. ...
9
votes
5answers
4k views

Why prevent apples from turning brown?

It's somewhat well-known that applying an acidic solution to sliced apples prevents them from turning brown as quickly. I believe that the primary motivation to prevent the "browning" is aesthetic: ...
5
votes
2answers
25k views

How long will fresh scallops keep in the refrigerator?

Today I bought one pound of fresh scallops from the seafood counter at the local market, but my dinner plans have changed - I am no longer planning to cook the scallops this evening and I don't ...
4
votes
3answers
778 views

Can you safely can homemade caramel/butterscotch syrup?

I've done canning of jams and jellies. I would like to make caramel and butterscotch syrups and jar them to give away, too, but I'm not sure if this is do-able since they contain butter and cream. Can ...
7
votes
5answers
17k views

Minimum procedure for sterilizing mason jars for canning

My wife and I are about to do some tomato canning tomorrow. We have a bunch of mason jars that we didn't have time to sterilize. She thinks that just washing them in hot water is enough. After ...
8
votes
2answers
849 views

How long will a fresh herb paste last?

I make a paste using ground fresh basil, ground fresh mint, ground dried ginger, salt, ground roasted coffee, and raw honey (enough to coat all of the ingredients well). It makes a great rub, and can ...
3
votes
2answers
222 views

Does food get spoilt if it catches moisture?

Sometimes, if you leave something like chips out in the open, it catches moisture from the air and is not as crisp after that. Is the food good to consume even after that?
44
votes
10answers
238k views

How dangerous is it to refreeze meat that has been thawed?

I've often been told by people that I shouldn't refreeze meat (particularly hamburger meat) once it has been thawed. However, this seems a little silly to me. I can't imagine how meat that hasn't ...
5
votes
2answers
218 views

Do I need to use sterilized jars straight away?

When making jams and preserves you obviously need to sterilize the jars. After the jars have been sterilized do you need to use them straight away or can you sterilize them in advance and keep them ...