Questions on handling, preparing, and storing food in ways that prevent foodborne illness.

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6
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12answers
15k views

Sous vide without plastic bags?

I really like the idea of cooking steak using sous vide. However, I am very wary of heating food up together with plastic, and then eating the food, as I believe that at high temperatures, chemicals ...
6
votes
3answers
11k views

Why microwaves do not kill harmful bacteria as well as boiling?

Medical Biochemistry point of view My biochemistry teacher said today that the problem with micros is that they do not kill all harmful bacteria. He proposed boiling food instead. I think there are ...
6
votes
2answers
3k views

How can I reassure myself a given food is not a botulism risk?

Ever since a man has died (in my country) because of eating home-made ham contaminated with botulism, I'm really concerned about it and I see risks everywhere. I have 2 questions related to it, and I ...
6
votes
1answer
883 views

Barbecue sauce with onion

My husband is making barbecue sauce and putting chopped cooked onion in it. He made large amounts and stored some in mason jars and put them in the pantry; he put 3 squeeze bottles in the fridge. I'm ...
6
votes
7answers
105k views

Does pesto go bad?

I have some basil pesto but I'm not sure how long its fridge life is. It is in a sealed container. How long does it last before it is not safe to eat anymore?
6
votes
3answers
8k views

Separate cutting boards: Cooked vs Uncooked meat

I know it is common knowledge that one should using different cutting boards for meat and vegetables (cross contamination), but should you also use a different cutting board for raw/cooked meat? Or at ...
6
votes
2answers
240 views

Can pressure canning be replaced water bath canning?

I wanted to make and can, my Grandma's tomato soup. However I don't have a pressure canner. I made the soup in a 15 PSI pressure cooker and then poured it into sterilized jars and then canned it in a ...
6
votes
6answers
27k views

Storage after slow cooking

I love my slow cooker but cooling food seems to take forever. Usually, I just pop the crock into the oven (no heat) and store until the next morning. So we're talking from 9PM (I eat dinner late) ...
6
votes
2answers
7k views

Can I use the same board for meat and vegetables?

I've heard that it's not good to use the same board for vegetables and meat, not only when you are making a salad but in general. Something about the bacteria in dirt and the bacteria in the meat is a ...
6
votes
3answers
997 views

Is my food spoiled after a power outage?

My power went out for about 20 hours today, from 1am to 9pm. I'm wondering if the food in my refrigerator and freezer are spoiled. Here's some info: High temperature was about 100F outside, but only ...
6
votes
2answers
713 views

Does freezing non-freezable liquids affect life span

I've created my own sauce, bagged it and left in the freezer for many days. It is still not frozen stiff (details to follow). I'm struggling to know how to phrase this question but, I'm concerned that ...
6
votes
3answers
5k views

What is the danger of salmonella in 'home laid eggs' and how should I clean them?

I have a question additional to this question How does salmonella get into eggs. This tells me that salmonella is mostly found on the shell of an egg. However, eggs are treated (typically washed) such ...
6
votes
1answer
64k views

How many times is it safe to reheat chicken?

I thought I remembered hearing the food agency Evira say that you should never reheat chicken meat after the initial cooking. However, I cannot find the statement of it anymore. Now I'm starting to ...
6
votes
5answers
18k views

Can lemon juice concentrate be used after the use-by-date?

My lemon juice concentrate's use by date passed a few months ago. It was kept it in the fridge the whole time. Is it still safe to use it?
6
votes
1answer
8k views

Why let your pie cool instead of eating it hot?

I like most of my foods nice and hot. Is there a culinary reason for waiting for your pie to cool before serving? Or is it just to prevent burns?
6
votes
2answers
36k views

Can cashews go bad? If so, how do you tell?

We have a tub of cashews that seems "off:" they smell a little different and taste a little different than we're used to. They don't smell or taste rancid (to us, I don't think I've ever tried ...
6
votes
3answers
4k views

What is the danger in cross contamination?

This question was prompted by this one on how to clean tools to prevent cross contamination. I wanted to ask it in the comments but realized it might be better as a separate question. Do I need to be ...
6
votes
3answers
10k views

Reheating Spinach

I have heard that one shouldn't reheat a meal with spinach in it. Is there any truth in this and what is the reason?
6
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2answers
6k views

Rules for refreezing food

What are the general rules regarding when can you refreeze food that was frozen and then thawed in the fridge? and what are the reasons behind them? (Hygiene? Food quality?). Let's assume for the sake ...
6
votes
3answers
2k views

Can I mince garlic in advance?

I really hate mincing garlic in tiny batches for each dish. Is there any way to mince many bulbs in advance and store them for a week or more?
6
votes
3answers
320 views

Is it true cooked food cannot be left in room temperature for longer than 4 hours?

I have only recently discovered that cooked food shouldn't be left in room temperature for longer than 2/4 hours. I lived in a tropical country which is warm and humid and I have been growing up ...
6
votes
2answers
22k views

How long do eggs last outside the refrigerator and out of the shell?

How long would eggs last out of the refrigerator and out of the shell? This may be a strange question, but I'm planning on baking them afterwards. And I'll leave them out only around 6 hours at ...
6
votes
4answers
14k views

Is it OK to marinate chicken and pork together?

I just want to minimize dishes taken to a BBQ--marinating pork chops in a lemon/herb/olive-oil baste along with some chicken skewers. Is there anything to worry about with trichonosis when preparing ...
6
votes
2answers
3k views

Would boiling make escargot safe if they were carrying parasites or bacteria?

I've read that escargot can be a carrier of parasites (Angiostrongylus cantonensis) or bacteria that can lead to meningitis. I assume there are no visible signs if they are in fact carriers. Will the ...
6
votes
2answers
6k views

frozen blueberries kept thawed

Had a couple bags of frozen blueberries. Put them in the fridge to thaw. They've been in the fridge for several weeks. Can I still cook with them?
6
votes
2answers
2k views

What are the grey-black specks that appear when whipping cream in stainless steel bowl?

When we whip cream by hand in a stainless steel bowl, with a metal whisk, small grey specks, ~0.5-1mm in size, appear in the cream. The specks are squishy and can easily be smeared out. See attached ...
6
votes
3answers
389 views

Is it best to just cook with the oil that has the highest smoking point?

I was recently at my locals farmers market and someone was handing out samples (cooked) of what they were selling. The guy cooking said to never use olive oil and use grapeseed oil instead because ...
6
votes
2answers
500 views

Is it dangerous or unhygienic to deshell an egg over the bin?

I have been reprimanded at work for de-shelling egg over an open bin. My hand is not touching the bin, as it is opened via the foot pedal. So is it dangerous or unhygienic to deshell an egg over the ...
6
votes
2answers
43k 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 ...
6
votes
1answer
454 views

Should I wash my pre-washed greens?

This sounds so silly writing it out. I frequently buy Olivia's organic spring mix salad which says it's "triple washed." Out of habit, I guess, I wash / spin each serving before I eat it. Should I ...
6
votes
4answers
8k views

How to get rid of weevils?

At first I thought they are plain moths, until I noticed some larvae climbing towards the ceiling, always in the kitchen. I made an inventory and discovered a package of hazelnuts which contained more ...
6
votes
2answers
40k views

How can I tell whether beetroot is still edible?

I have some raw beetroot I bought about a week ago, having stored them at room temperature since. It's the first time I bought it raw, and I'm unsure whether it's still edible. It is already soft, ...
6
votes
2answers
11k views

How necessary is it to marinade meat before making jerkies?

So I just got myself a dehydrator, for the purpose of making jerkies. I was thinking of just seasoning the meat lightly instead of marinating them, which takes considerably more time, needs more ...
6
votes
1answer
489 views

Is Consumer Reports really correct about 6 parts water to 1 part rice?

There's been a number of news reports recently about possible high concentrations of inorganic arsenic in rice. I heard that Consumer Reports says to cook 1 part rice in 6 parts water to minimise ...
6
votes
2answers
3k views

What are the ranges of Pork Temperature that are flavorful and safe?

USDA guidelines for Pork state that you should cook it to 160F. I have heard over the years that you can undercook from that, which seems desirable, as 160F is going to be pretty dry. I know the ...
6
votes
2answers
17k views

Why exactly is thawing via hot water bad?

I read all over the internet and labels that you shouldn't thaw with hot water? However, tons of people leave meat to get to room temperature, so how is thawing with hot water bad? For instance, when ...
6
votes
2answers
2k views

How can I buy or make pasteurized eggs?

Many recipes for the raw-egg yolk sauces and dressings suggest using pasteurized eggs for safety, and say they are available in stores. I've never seen them for sale anywhere. Generally I accept the ...
6
votes
1answer
2k views

Does cooking raw meat/poulty extend its shelf life?

I pulled a chicken out of the freezer a couple of days ago with the intention of making stock/soup. It's defrosted now and ready to go, but I don't have the mirepoix ingredients and I'm too lazy to go ...
6
votes
2answers
94k views

How long can coconut milk last in the fridge?

I opened up a can of coconut milk the other day and was unable to use it all. I placed the remainder of the coconut milk into a sealed container in the fridge. I was wondering how long this would be ...
6
votes
1answer
2k views

Can I eat cheese which has been “infected” with blue cheese mold?

Recently, I bought two pieces of cheese - St. Agur and Pyrenean cheese. They were cut from wheels, not pre-packaged. At home, I removed the foil and placed them in the same plastic container in the ...
6
votes
1answer
807 views

button mushrooms turned red while frying in butter

I fried fresh sliced button mushrooms in butter over low heat with no other ingredients. After a short while dark red areas started to appear on the sides of several slices. I never noticed anything ...
6
votes
3answers
8k views

Food safety issues related to eating raw frozen vegetables

I just pulled out a package of frozen spinach and noticed a warning "Cook from frozen, product must be cooked before consumption". I found the same on a package of frozen baby peas and I'm sure I've ...
6
votes
1answer
2k views

Are dark walnuts ok to eat?

I bought a bag of walnuts from the local farmers market (in NZ), but some of them are dark colored on the outside and almost black inside. Is this normal and are they ok to eat? Also noticed some of ...
6
votes
1answer
4k views

How do you tell if a cheese rind is edible?

When I buy a cheese from a type I don't know, I usually discard the rind, just because I'm not sure it is edible. Is there a way to tell if it is edible, other than researching the cheese type?
6
votes
1answer
450 views

How to safely grill meat/fruit/veggie skewers

This weekend we grilled kebabs with steak, onions, peppers, and big pineapple spears. No ill effects, but I noticed that the pineapple was still cool where it was touching the meat, and the meat ...
6
votes
2answers
284 views

Is this chicken safe? silkie chicken edition

First off, I am a pastry chef, and my first thought is, when in doubt, toss it out. I have very little experience with chicken. I am also obsessed with trying new things, in this case silkie chicken. ...
6
votes
6answers
24k views

Is soaking beans 24 hours unrefrigerated safe?

It strikes me as an unsafe food practice to follow Cook's Illustrated's advice for soaking dried beans for 24 hours unrefrigerated. I've also seen them suggest you soak steel-cut oats unrefrigerated ...
6
votes
1answer
234 views

Food Safe 3D printed Jello Molds

I am purchasing a PLA/ABS/etc. 3D printer for various projects and a friend asked me to make a Jell-O mold. I am aware that PLA degrades into harmless lactic acid and there are Food Grade varieties ...
6
votes
2answers
228 views

Detergent Contamination of Processed Foods

Today I bought a Jack Links beef jerky from a vending machine, and when I bit into it I got a distinct taste of something acrid and soapy. As far as I could tell the packaging was not damaged and the ...
6
votes
1answer
2k views

How long can I soak dried beans before they are considered inedible?

How long (days/weeks) can beans that have only been soaked in the refrigerator last before they are considered inedible/spoiled? I found black beans in the fridge that had been soaking for approx 3 ...