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

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12
votes
6answers
68k views

How long does it take for buttermilk to go bad?

I love making buttermilk pancakes but I can never seem to use up my buttermilk before it passes the expiration date. The thing is, if I take a solid whiff of the "expired" buttermilk it smells great ...
11
votes
3answers
5k views

Is there such a thing as “food grade CO2”?

I'm thinking about building a setup to make my own carbonated water. Should I be concerned that I'll be filling up my CO2 tank at Dick's Sporting Goods?
10
votes
3answers
623 views

Suggestions for convenient and safe methods of transporting a few meals without a vehicle?

I'd like to prepare a few meals for a cousin who recently gave birth. She lives about an hour and a half away, and I will be walking and taking public transportation to get there. Does anyone have ...
10
votes
3answers
4k views

Do you use paper or cloth towel for patting a meat dry before frying?

It is advised to pat a steak dry before frying. I've used paper towels in the past for this, but sometimes parts of them stick to meat. Now and then I've used a clean cloth kitchen towel for patting ...
9
votes
2answers
986 views

What is the difference between normal oils and cooking oils?

I am not proficient in cooking but I have one question which I am not able to figure out. I have read on internet some oils should be used for dressing, other for cooking. But to me, they all look ...
9
votes
4answers
4k views

What precautions should I take when preparing food while I have a cold?

If I have a cold, what precautions should I take while preparing food to make sure that I don't transmit germs?
8
votes
4answers
301 views

How do you source meat that will be minimally cooked?

I was recently asked where one could find meat that could be prepared "blue to blue-rare". What kinds of meat (other than fish) can be prepared this way and how would one go about finding a reliable ...
8
votes
3answers
9k views

Ground beef storage and use past sell-by date

When I buy food it's at least a few weeks worth, and I bought some ground beef the other day with the intention of using it over a couple weeks. I have a couple questions regarding storage: I use ...
7
votes
2answers
980 views

Reusing oil containers

I generally buy large containers of oil (olive, canola, peanut, etc.) and just refill a handful of smaller oil bottles. That way it's cheaper in the long run, and the smaller bottles are easier to ...
7
votes
4answers
39k views

How can I know whether a potato is too old?

I have many kilograms of potatoes that are turning bad, I don't want to throw them away. The term "turning bad" means that the best-before days on the products vary between 1-4 weeks i.e. they are old ...
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 ...
6
votes
2answers
420 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
4answers
5k views

How to safely handle raw milk?

I have a couple of questions how to use fresh milk (not pasteurized) coming directly from cow in village (in traditional way, of course). How long it should be boiled before usage? Is it better to ...
6
votes
3answers
5k views

Safety of glues in wooden chopping boards

It seems to be becoming more difficult over time to get a wooden chopping board that isn't made of separate pieces of wood that are glued together. I did find some sites discussing how to choose a ...
6
votes
1answer
2k 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 ...
5
votes
2answers
53k views

Eating food from a slightly rusting cast iron dutch oven…is it safe?

I have a cast iron dutch oven. It has a self-basting lid, basically it has a grid of little cone shapes on the underside of the lid. The idea is that liquid condenses on underside of the lid and these ...
4
votes
4answers
2k views

Does spoiled milk make any ingredient?

Bear with me here, My roommate insist that she wants to keep her spoiled 2% milk in the fridge, it's been 1 month! That thing look disgusting. To my knowledge, you don't use rotten milk for ...
4
votes
2answers
5k views

Is acid-marinated raw chicken still safe after several days?

I marinated chicken five days ago in lemon juice, seasoned salt, and garlic powder, is it still safe to cook in the oven?
4
votes
4answers
2k views

What is the preferred method for sanitizing the kitchen?

I'm aware of a number of ways for sanitizing. Soap. Ammoniac. Bleach. Sodium bicarbonate. Which of these is the preferred method of sanitation? Which concentrations are recommended? How can you ...
3
votes
2answers
309 views

Do “Best by: XX-XX-XX” foods have an expiration date?

How long will foods that have "Best by: XX-XX-XX" on the product last past that date? I have tried looking online, and all I can find is anecdotal evidence, which isn't very assuring for me since ...
3
votes
4answers
59k views

How can I tell when chicken thighs are sufficiently cooked to eat?

Last night I was grilling chicken thighs on a barbecue and I was told that if there was any pink inside them, they are not safe to eat. My question is twofold: (a) Is this true? (b) Is there a way ...
2
votes
2answers
289 views

How can I infuse olive oil safely?

I am infusing olive oil with truffles. How can I do it safely? Heating the oil destroys the truffle smell and pickling it is a sure way to do the same. Are there any other methods? Perhaps some type ...
2
votes
3answers
5k views

Is food immediately taken out of the microwave safe to eat?

Do we have to wait a few seconds to let the microwaves go away, or can we eat it immediately? Of course, I assume that the food is not too hot to be eaten.
1
vote
3answers
26k views

I left fully cooked lasagna out all night [duplicate]

I left fully cooked lasagna out on the counter all night. My house is 72 degrees Fahrenheit (22 degrees Celsius). Is it safe to reheat and eat?
0
votes
1answer
1k views

How does meat nutritional profile change in freezing?

My teacher said that you cannot stop fats going bad with freezing. So fatty meat is not good idea to freeze over a long time. Are there other factors to consider in freezing meat?
18
votes
5answers
22k views

How safe is steak tartare?

How safe is steak tartare? What can I do when preparing it make sure it is safe to eat?
16
votes
9answers
165k views

How long is it safe to marinate meat?

I started marinating some almost-thawed chicken and skirt steak in the refrigerator on Monday. It's Saturday, and I still haven't gotten around to cooking the meat. Is the meat still safe to cook ...
14
votes
1answer
14k views

Does ketchup belong in the fridge, or the cupboard?

I'm hoping this will solve a biiig long-running debate I have with my friends. Heinz Tomato Ketchup (The UK version contains sugar from beets, rather than HFCS like the US version) I tend to think ...
13
votes
5answers
117k views

How long does it take for milk to spoil unrefrigerated?

A half gallon of milk (in the paper carton, not plastic) got left in the car for 1.5 hours in about 80 degree (~27 °C) weather (evening so no direct sunlight). Is it still probably safe to eat if one ...
13
votes
6answers
64k views

Can store bought salmon be used for sashimi?

Is it safe to consume raw fish purchased at the fish counter of a typical suburban grocery store? If not, do you have any tips for finding sushi grade fish.
12
votes
2answers
2k views

Are there health issues with sous-vide cooking?

As I understand the technique, you put a food item in a plastic bag and dump it into warm water for some amount of time. What happens to bacteria growth inside the bag?
12
votes
3answers
15k views

How can I safely use a blender with hot liquids?

One instruction in a new barbecue sauce recipe I'm trying out is to take the pot of simmering sauce and run it through a blender or food processor. I have now learned the hard way that blending hot ...
11
votes
3answers
4k views

Will botulism growing in my home-canned vegetables pop the lid?

I remember that in my biology class in high school the teacher told showed us a puffed up can of pineapples which he claimed had botulism in it. Is that remotely true? and if so, can I tell if my ...
11
votes
6answers
52k views

Is it safe to eat Raw Corn?

I saw a recipe for a Summer Salad that said to sprinkle raw corn on top for a "crunch" effect - I've never eaten raw corn and was wondering if it was safe. I'm guessing hard to digest at the ...
10
votes
5answers
8k views

Is it safe to eat raw fish?

Raw chicken is generally considered not safe to eat. A lot of people eat sushi/sashimi though, and that's raw fish. So, how come that's safe (if it is)?
9
votes
3answers
1k views

Ideal fridge temperature accounting for temperature spikes

I've read the question on the ideal fridge temperature, but am asking a more involved question about a baseline temperature and temperature spikes. How will a few hours each day at 10 C effect the ...
9
votes
5answers
45k views

My ginger is blueish… is it safe?

I bought ginger at the grocery store last week and kept it, unpeeled, in the fridge. Today I sliced it open and there is a ring of a blueish colour, instead of the yellow I was expecting. The ginger ...
9
votes
5answers
23k views

Can chicken not completely cooked then cooled be fully cooked later?

I cooked some chicken but didn't realise it hadn't completely cooked through. It then went in the fridge and a day later I cut through it to discover the problem. Is it now safe to put that chicken ...
8
votes
2answers
8k views

Is it safe to eat green onion slime?

I just harvested some scallions from the garden, where it's getting bit chilly (late November in Seattle). After chopping them, I realized that their insides were covered in a gelatinous, slippery, ...
8
votes
1answer
4k views

Are the claims legitimate linking botulism to vacuum prepared foods?

I have read in many places 1,2,3 claims of a link between preparing foods sous vide and botulism, with claims that this is because the food is prepared in a vacuum. This struck me as illogical, so I ...
8
votes
3answers
5k views

Can I store suet or home-rendered tallow at room temperature for a year?

This weekend I will be in possession of 100 lbs of beef suet (which I'll be getting from a butcher friend) and plan to render it into tallow. I can't even begin to imagine exactly what this amount of ...
8
votes
5answers
3k views

How can I tell if a mushroom is poisonous?

Assume I have found and want to eat a to me unknown kind of mushroom. Is there some way to find out if that mushroom is poisonous by looking/smelling/soaking it?
7
votes
1answer
616 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 ...
7
votes
1answer
332 views

Does soap kill germs?

This accepted answer about knife cleaning seems to presume that soap sanitizes: ...in household use soap is required to sanitize your knife blade. However, a cursory search seems to undermine ...
7
votes
2answers
18k views

Does having spoiling food in your fridge cause other food to spoil faster?

We all have forgotten remnants that get pushed to the back of the fridge and eventually become science experiments. Does the presence of such items (assuming they're left in a non-air tight container) ...
7
votes
5answers
768 views

How to cook insects?

I love touring and I am trying to cut my dependency on my protein sources such as soy powder, beans and other supermarket stuff. Touring is a bit like camping but with longer distances and a bike. So ...
6
votes
1answer
605 views

Knife cleaning: safe to do without soap?

Knife Skills Illustrated: A User's Manual suggests that knives can be cleaned with hot running water alone. "With sufficiently hot water, soap should not be necessary." Is this safe? What if I am only ...
6
votes
2answers
5k 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 ...
5
votes
2answers
8k 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 ...
5
votes
8answers
4k views

What to do about beetle infestation of wheat products? How do we prevent reinfestation?

Today my wife went to make some bread. She noticed some very small insects in the whole wheat and regular flour. Upon further inspection, many of our wheat based products were infested with these ...