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

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18
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3answers
4k views

What parasites are problematic in sous vide?

Obviously, one should use only clean ingredients. However, especially with game and river/lake fish that's rather difficult. What are parasites that should be taken into account in sous vide ...
18
votes
2answers
10k views

Garlic turning green?

When I try to make garlic bread or, in general, something where the garlic is not in a liquid, it sometimes turns green while cooking! It's worth noting that the taste doesn't seem to really be "off", ...
18
votes
5answers
10k views

How long is garlic butter safe, and why is it not a botulism risk like garlic in oil?

I've been making garlic butter for years, storing it for months at a time. When I read that garlic-in-oil can grow dangerous amounts of botulinum toxins after similar lengths of time, I wondered how ...
17
votes
7answers
2k views

Is it safe to cook with rainwater?

Is it safe to use rainwater as an ingredient versus tap water - or even cooking things in it like pasta? Would there be any differences in measurements or cooking times - the thought being that there ...
17
votes
3answers
19k views

Can you put polystyrene in the microwave oven

I want to know for sure if you can use polystyrene trays (such as those that meat comes in) in the microwave oven? I have read some fairly official looking reports and articles that say there's not ...
17
votes
4answers
3k views

How to wash vegetables without running water?

I live in a subtropical climate where most people cook vegetables, rather than eat them raw, so when making green salads, I must be careful to ensure that everything is clean. I have seen ...
17
votes
2answers
11k views

Do I need to pre-cook bacon when adding it to a quiche?

I've got a quiche recipe that requires me to use bacon but it's not clear on whether or not I should cook the bacon before adding it to the quiche. The quiche is to be cooked at 180C for 25 mins so ...
16
votes
8answers
11k views

Do I have to peel red potatoes before baking them?

I recently made some potato wedges in the oven. I shared this recipe with my relative, who admonished me for not properly peeling the red potatoes before baking them. She claims that there are ...
16
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8answers
18k views

Botulism, Garlic, Cold pressed Olive oil and mason jars

I make a product I invented called Maybe It's Marinade. Cold pressed extra virgin olive olive, pressed garlic as the base in three varieties, AoliOliO, Dill and Cayenne Pepper, garlic powder, and ...
16
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5answers
152k views

How long can eggs be unrefrigerated before becoming unsafe to eat?

A friend of mine accidentally left a carton of eggs on her counter, unrefrigerated, for three days. The eggs had been previously refrigerated both at the store and at home. Now she's planning to do ...
16
votes
3answers
3k views

Metal dust/shavings in food from knife wear?

I've been wondering about this for a while, since getting interested in knife sharpening. When using a knife, it will get duller. One (the primary) reason being that you "bend" the edge. You fix this ...
16
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3answers
3k views

Why do chefs use salt and pepper bowl after touching raw foods

When I see chefs on tv handling raw chicken or such and then stick their fingers in a salt bowl to seasoning them why is the salt in the bowl not contaminated too. I see this all the time on cooking ...
16
votes
2answers
23k views

Is smell a bad way of determining whether meat is still good?

I have always relied on my sense of smell to determine whether meat (most often chicken) is bad and I thought it was reliable. However, I have just heard that [1] smell is not always reliable, since ...
16
votes
5answers
281k 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 ...
16
votes
7answers
123k views

Is it safe to cook a steak that was left out (raw) for 7 hours?

I left a round steak out for 7 hours in a container of cold water. It was wrapped very well, hadn't been opened yet. Is it ok to cook this? I planned on cooking it in the crockpot for 8 hours.
16
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 ...
16
votes
1answer
3k views

Is Yellow coloring inside a fish normal?

I recently purchased a Bronzini fish from a local market. From the outside it looks great. But on the inside, a portion of the fish is a mucusy yellow The other side looks normal ...
16
votes
3answers
23k views

Are refrigerated hard boild eggs really unsafe after a week?

Most sites that I've googled (such as http://www.ochef.com/1009.htm, and http://whatscookingamerica.net/Q-A/eggs2.htm) say that refrigerated hard-boiled eggs need to be eaten within one week. I'm a ...
16
votes
1answer
8k views

What do I need to know about temperature and food safety?

What general rules do I need to follow to keep my food safe? How do I know what temperature to cook something to, or whether my food is safe at room temperature?
15
votes
3answers
5k views

Does soy sauce expire?

Being mostly made of salt, I often used soy sauce well beyond (as in "two years and more") its expiration date without ever having a problem. Is that a bad idea, and did I actually take some health ...
15
votes
1answer
28k views

How should I deal with blood released while thawing meat in the refrigerator?

Saturday I pulled a package of venison from my freezer to thaw and hope to make stroganoff with it tonight. However, this morning I noticed that the package (in a bowl) had really released a lot of ...
15
votes
5answers
101k 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.
15
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7answers
50k 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. ...
14
votes
10answers
31k views

Can you reuse marinade used with raw chicken?

I marinated chicken a couple weeks ago, and stored the marinade afterwards in a jar. Can it be reused, or is that dangerous? I've been told conflicting stories here. The marinade is mostly teriyaki if ...
14
votes
7answers
8k views

Is Beer Can Chicken safe?

Some time ago I've read about Beer Can Chicken. I've never heard of this in my area, but it seems (and looks) tasty! So I would like to give it a try. There is just one thing that worries me: Is it ...
14
votes
7answers
6k views

Is Teflon dangerous?

I've read that non-stick saucepans using Teflon are dangerous. Why do so many people still use them including all the professional chefs, and how do you personally feel about using them after reading ...
14
votes
7answers
23k views

Does wax on citrus fruit make the zest unsafe to eat or compromise its flavor?

A number of (chiefly British) recipes specify unwaxed lemons for zesting. Unwaxed citrus fruit are not widely available here in Sweden, so I have to make do by attempting to remove the wax before ...
14
votes
2answers
15k views

Is it safe to eat mouldy bread?

Is it safe to eat mouldy bread, even after cutting away the moulded parts? And how can you tell if the mould is harmless or toxic?
14
votes
4answers
23k views

Is it safe to cook wine or vinegar in cast iron?

I want to cook a beef brisket, following a recipe that suggests baking it on a bed of onions and red wine, or red wine vinegar. I'd like to use a cast iron dutch oven, but am concerned about the ...
14
votes
4answers
12k views

Coconut Water from White vs Brown Coconuts

The warning label on each coconut describes how to treat the water within each. The water on the brown coconut is to be discarded; the water on the white coconut is safe for consumption. In what ...
14
votes
1answer
17k 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
9answers
18k views

How do you put out a grease fire?

I recently had a grease fire - the pan caught on fire from a little fat that spilled over the skillet. Is there a safe, quick way to put out a fire like this?
13
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7answers
26k views

Are fungal toxins a significant problem in coffee, and if so, can they be avoided?

I stumbled across this blogpost which claims that coffee is awesome for our bodies but only if it doesn't have mycotoxins (toxins generated by fungi). To quote them: One study showed that 91.7% ...
13
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5answers
34k views

Should maple syrup be stored in the refrigerator?

Is there any reason to store maple syrup in the refrigerator? It tastes better when it's a little warmer.
13
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3answers
30k views

Are Green Potatoes OK?

Sometimes when peeling a potato, I find that areas of it are a bright shade of green. Does this mean that: A) The potato is OK to eat? B) The potato is OK to eat, as long as the green parts are ...
13
votes
1answer
6k views

Room temperature “rest” for fresh mayo?

On the mayonnaise episode of Good Eats, Alton Brown recommends letting homemade mayo sit at room temperature for 4-8 hours before refrigerating. The idea is to let the acid in the mayo kill any ...
13
votes
7answers
99k 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 ...
13
votes
6answers
79k 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 ...
13
votes
4answers
14k views

Can we digest raw starch? [on hold]

One of the wisdoms passed on early in my family is not to eat certain types of food raw, because they will cause bellyache. It is regarded common sense on par with not to touch a hot stove because it ...
13
votes
6answers
8k views

dry garlic in oil --> botulism risk?

My girlfriend and I are thinking of preparing some flavored oils for Christmas presents this year (don't tell anyone!). We've read online that fresh garlic presents a health hazard when stored at room ...
13
votes
2answers
84k views

Is it safe to eat butter after it has crossed its expiration date? Does butter ever spoil in fridge?

I just came back from a long trip and I was cleaning out my fridge, and I noticed that there is an expiration date on the butter. It expired about two months from when I bought it. The butter doesn't ...
13
votes
8answers
68k views

Is rare duck breast safe?

Other forms of poultry are regarded as undercooked at the slightest sign of pink juices and yet it is common practice to cook duck so that it's medium rare. Is the risk of food poisoning significantly ...
13
votes
9answers
250k views

Can I put frozen meat in a slow cooker?

I was wondering if I can put meat directly from the freezer into a slow-cooker. I want to be able to put chicken in the slow-cooker without having to let it defrost for a whole day in the fridge. It ...
13
votes
2answers
9k views

When should cutting boards be replaced?

From a food safety perspective, under what conditions should a plastic or wood cutting board be replaced? I have a plastic one that developed a crack that goes through both sides of the board. I ...
12
votes
4answers
3k views

Supply of Boiling water without power outlet

This weekend coming some friends and I will be running a cake stall at a local vintage fare. We would also like to sell hot beverages such as tea and coffee. How can we cheaply and easily heat water ...
12
votes
6answers
41k views

Can I re-cook a ham that was left out overnight?

I left a fully cooked ham in a bag out overnight. It was refrigerator temperature when I took it out at 9pm. Our Seattle home was not heated; it was about 50 degrees last night. I found it at 6am and ...
12
votes
5answers
18k views

The art of Sushi: using wasabi to kill parasites

I've been to many sushi places and last night I went to a place that I've been to before (not that long ago either). When the sushi came, we noticed that it had wasabi spread on the rice, under the ...
12
votes
2answers
2k views

What are some techniques to cool down a dish so that we can store it in the refrigerator safely?

My wife just cooked some 'plof' (an Ashkenazi Jewish recipe). A one pot chicken, rice, onion, carrots dish. All those are in their respective layers. She just finished cooking it. We're going to go ...
12
votes
3answers
26k 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 ...
12
votes
6answers
9k 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)?