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

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2
votes
1answer
17k views

How long does grease take to go bad/rancid when sitting out?

If I make a skillet full of bacon, how long can I leave the grease sitting out before it is unsafe/rancid? Is the answer different for ground beef grease?
2
votes
3answers
4k 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
17k 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
827 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?
17
votes
5answers
18k 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?
15
votes
8answers
127k 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 ...
12
votes
1answer
11k 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 ...
12
votes
6answers
50k 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.
11
votes
5answers
32k 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 ...
11
votes
3answers
11k 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 ...
10
votes
5answers
6k 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
5answers
14k 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
5k 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
3k 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
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 ...
8
votes
5answers
31k 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 ...
8
votes
5answers
2k 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
5answers
731 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 ...
7
votes
2answers
4k 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 ...
6
votes
3answers
3k 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
1answer
301 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 ...
6
votes
1answer
501 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
4k 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
1answer
1k 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
4k 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?
5
votes
5answers
12k views

How do you know when mussels are done?

I bought 1/2 pound of mussels and cooked them in a cast iron skillet with a little white wine and some shrimp stock on boiling heat. Almost all of them opened after about 15 minutes, some did not. ...
4
votes
1answer
3k views

Can most sour fruits be jelled by cooking with sugar?

I make jam all the time, using pectin. But the recipes only list a few dozen common fruits. Recently, I wanted to make crabapple jam or jelly, and I found a recipe that essentially had me cook the ...
4
votes
1answer
3k views

Is it okay to eat gorgonzola cheese mold?

My pack of Gorgonzola came with greenish/blue mold. is it okay to eat that mold? I intend to eat the cheese by itself.
4
votes
1answer
29k 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 ...
4
votes
2answers
4k views

How long can I keep thawed vacuum-packed fish in the fridge?

I know that for fresh fish, or fish that was previously frozen without special storage, you should use it the same day. If I thawed too much, does the fact that it was vacuum-packed add to the time I ...
4
votes
2answers
7k views

Undercooked beans in chili?

I made a bit of a mistake, being a lazy bachelor and inexperienced at cooking. I was making chili and when it came time to add beans I discovered I didn't have any canned beans. I did however have ...
4
votes
2answers
6k 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 ...
3
votes
1answer
1k views

Can I leave a cake / cupcakes frosted with cream cheese frosting out on the counter?

I need to frost a cake and cupcakes with a cream cheese frosting for a late morning party tomorrow. I do not do a lot of baking so I'm concerned about when I should frost the cakes. For the sake of ...
3
votes
2answers
12k 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 ...
3
votes
3answers
12k views

Are vegetables poisonous if they have roots, are sprouting or are many weeks old?

Can I use sprouting vegetables? Are they poisonous? When cooked, does the sprouting have an effect to foods taste? Can I use my potatoes or carrots if they already has some roots...? How about when ...
3
votes
3answers
9k views

What does flour smell like when it goes bad?

I've got about 15lbs of saphire unbleached white flour left from my 25lb bulk purchase from 2 weeks ago. While preparing a wonderful zucchini bread recipe I noticed a "sour" smell from my flour. ...
2
votes
1answer
226 views

Is storing homeade dressing with garlic powder safe?

I would like to make a salad dressing with apple cider vinegar, evoo, maple syrup, mustard, onion and garlic powder, cayenne, and italian seasoning. I know nothing about food safety, is it safe to ...
2
votes
2answers
918 views

raw chicken in an “off” crockpot

I put chicken in a crock pot and thought it was on low. It was off. It's been two hours. Do I need to throw out the chicken? It was fairly cold because it was mixed with a cold teriyaki sauce among ...
2
votes
2answers
6k 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 ...
2
votes
2answers
43k views

How do I know if my salmon fish is cooked properly?

I intend to cook some salmon fish over this weekend so that I can treat my friends and relatives. However, I saw this article - ...
2
votes
0answers
68 views

Do I need to wash my tongs between handling raw meat in pan? [duplicate]

Possible Duplicate: How can I ensure food safety if my cooking utensils have touched raw meat? I tend to be over careful when handling raw meat when cooking. However, I think it is simply ...
2
votes
2answers
1k views

How long will roux keep?

I've made roux some time ago. Forgot to put the date on the container. How long will it keep in the fridge? I'll be making a sauce in a day or two...
2
votes
1answer
7k 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
1k views

Is refreezing a meal safe?

I know there have been questions on refreezing meat, which apparently is not safe to do. My understanding from those posts was that it was referring to raw meat. My question is slightly different. I ...
1
vote
1answer
258 views

Can I still use meat left out in the trunk

I accidentally left meat in the trunk of my car, it's so cold outside it froze, can I still use it?
1
vote
1answer
248 views

At what concentration is sodium bicarbonate a sanitizing solution?

I can't find an authoritative answer to the question @rumtscho asked me here about the concentration of sodium bicarbonate, mixtures of which I've come to rely on as a cleaning and sanitizing solution ...
1
vote
2answers
441 views

What method for advance prep of seitan prevents deterioration of texture and preserves flavor while protecting from spoilage?

Tonight, I am hoping to cook up three to four loaves of seitan for final prep three days from now. My intent is to form the dough, simmer in stock or steam, and then refrigerate. In three days I hope ...
1
vote
1answer
432 views

Is there something wrong with this scallop residue?

After cooking scallops in oil in non-stick pan, I cleaned up and there was a white hard substance left stuck to the pan. It felt like plastic. These scallops were fresh caught one day before using, ...
1
vote
1answer
4k views

creme fraiche 1 month out of date!

I was just cooking some soup and added some creme fraiche (I smelt it before and it smelt fine, force of habit) Once I had mixed it in - I noticed that the sell by date was the 15th of January! I ...
0
votes
3answers
250 views

Why are standard cast iron maintenance practices compatible with food safety?

How on earth is not washing a cast iron with soap not harmful? Since even if you wash it good with hot water and Salt, wouldn't there still be a possibility of harmful bacteria and such left in the ...