Questions tagged [food-safety]

Our community answers question on food safety as defined by official regulations. Questions and answers that contradict that view, are considered off-topic.

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Blue spots in omelette?

My sister made me an omelette earlier, and when I dug into it I noticed several blue spots inside it, resembling mold or dye. It tasted perfectly fine, but just looked odd. She assured me that they ...
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How much canned tuna can i eat before i get mercury poisoning? [closed]

Recently trying out different foods for protein intake. I've come to discover canned tuna as an extremely cheap source of protein, aside from the usual chicken breast. The issue is that I'm not sure ...
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How to Use Frozen Bones for Bone Broth?

I've watched lots of videos on how to prepare bone broths. However, I haven't found much information about making it directly from frozen bones. I have understood that I should move frozen bones from ...
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Packaging/Bottling and Uncooked Hot Sauce

Forgive me for the post being long! I make a buffalo sauce/marinade that all my friends and family rave about. I’d love to be able to give some to them to keep in the pantry, especially the ones that ...
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Is this beef rib ok?

I am cooking beef ribs for a chemo patient and don't want to take any chances. The fat on the ribs is bluish greenish. See the photo. Is it normal or rotten? The meat looks good. Imgur pics
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How long can you safely store used cooking oil without refrigeration in a kitchen? [duplicate]

In these frugal days, I have started filtering and reusing my cooking oil when I deep fry items e.g. pork escalope etc. I strain the oil through kitchen paper and a fine sieve and when cool, pour back ...
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4 answers
9k views

I accidentally put my canned tuna in the fridge

I accidentally put my unopened canned yellow fish tuna into the fridge for about a day. I took it out and put it in the pantry. Is it safe to eat?
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3 votes
1 answer
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Once unwashed eggs have been refrigerated, must they remain so?

Other questions on this site have addressed the fact that unwashed eggs do not need refrigeration because they are protected by a "cuticle". Washing removes the cuticle, and therefore ...
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Under what conditions does the fat in durum wheat semolina go rancid and how can you tell?

I have a packet of wholewheat couscous that is three months past its best before date but was stored in optimal, cool dry conditions. On opening the pack, there was a distinctive but not unpleasant &...
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4 votes
2 answers
471 views

double boiler (temp?)

It seems that almost everywhere, I see the advice to keep the top of a double boiler away from the water in the bottom--with the explanation that the top will get too hot if it touches or is semi-...
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Why are soaked dried soy beans cooked before fermenting?

Is it necessary to cook soaked dried soy beans before fermenting them?
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Is it safe to put silica gel packets in spices?

I know it's pretty safe (even recommended) to store food in cabinets that have silica gel packs. I'm wondering if it is safe (and a good idea) to put the sealed silica gel packets directly into the ...
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Sushi Salmon left uncovered overnight in fridge safe to eat?

I thawed raw sushi salmon the day before and then wrapped it in papertowels and put it in the fridge overnight, but I forgot to put a lid on the container. It the salmon still safe to eat? Since the ...
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What are these dark spots on my walnut kerns? Are they safe to eat?

Sometimes, when I'm eating walnuts, I'll find one with some dark spots on the kern surface, as shown in the photograph below. I normally prefer to err on the side of caution (I think I read somewhere ...
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5 votes
2 answers
163 views

Home-made Kimchi lost all water after being put in the fridge

I've made Kimchi using this recipe (german link, but I think it should be a pretty standard recipe). I let it ferment for a week at room temperature and everything looked fine (it was covered in water/...
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What are these small black specs inside my peppers?

Inside my pepper (pic) are these small black/brown specs. What are they? Are they safe to eat?
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Is this steel casserole safe for use? [duplicate]

Yesterday I bought this 1 lt (1 qt) steel casserole in a chinese shop, and after boiling one egg, it's decolored and got black spots, as shown: It's stainless steel, it weights 430g, and I guess it's ...
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1 vote
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What is the minimum length of time and temperature one can safely cook white Basmati rice for?

The particular Basmati rice I normally use (Aldi own brand), cooks perfectly with seperate, non-sticky grains using the following method. In a large pan of cold water (3 or 4 times the volume of rice),...
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Is it safe to reheat mushrooms?

According to this very popular Bright Side video (https://youtu.be/P2BVyHOdFUo) , it is not safe to reheat mushrooms as they not only lose their nutritional value, but can also make you ill. This, ...
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2 votes
1 answer
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When corn starch is added to icing sugar, has it been cooked?

My icing (powdered) sugar has 97% sugar and 3% "maize starch". Answers to a recent question accidentally ate raw corn starch say that corn starch, like wheat flour, is meant to be cooked ...
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Accidentally ate raw corn starch, is it safe?

So I was heating up some canned soup over the stove, and it felt a bit thin. So I thought to use some corn starch to thicken it up. After pouring some in, some of it landed on my hand and I licked it ...
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13 votes
3 answers
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How can oak leaves be made edible?

Based on some research, it seems the leaves contain tannins and so I imagine some number of rounds of boiling are required to extract those/reduce them to an acceptable level. But the texture of oak ...
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4 votes
1 answer
169 views

Is parsley root with pink spots safe to eat?

Today I peeled a parsley root for soup and discovered it has red/pink spots all over it. It did not look unusual before peeling. I bought it in a supermarket about a week ago, five pieces packaged in ...
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1 vote
1 answer
91 views

Can frozen mango spoil?

When I opened my package of frozen mango pieces for my cake, I saw that the mango pieces were absolutely covered in sheets of ice across both sides of the package, and the mango themselves looked ...
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1 vote
2 answers
135 views

Is exposed copper pan safe for frying fish?

I restored this copper pan that has exposed copper areas. I will only use it for frying fish. It's safe to use? Any advice on use/care for the exposed copper?
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-1 votes
1 answer
221 views

Are grocery store tuna steaks safe if cooked but rare?

We got 2 tuna steaks from a grocery store, and we are pretty sure they they are NOT sushi grade. We cooked them tonight for a bit, and left the middle of the steak pretty rare. How safe is this? I ...
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1 vote
1 answer
211 views

Is it safe to eat homemade yogurt after a sugar ant fell in it?

I'm so frustrated right now. I just made a gallon of homemade yogurt, only to find a tiny sugar ant has been marinading in it at the top for 24 hours(it's a 24 hour ferment). Is the whole batch ...
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2 votes
1 answer
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How to (Safely) prepare brine for corned beef?

I have a brisket flat in my freezer, and I'd love to make corned beef. It would be my first time. When I searched the internet for preparation ideas, I found preparation instructions that called for ...
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-1 votes
1 answer
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If milk bottle says BEST BY JUNE 10/22 , how long does it last in the fridge if the bottle is opened and unopened?

Google says all opened milk lasts 4-7 days. It also says all unopened milk lasts 5-7 days. But my bottle has a BEST BY date of JUNE 10/22 , that is 5 months. Both can't be right, Either the article is ...
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-1 votes
1 answer
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How does bacterial contamination grow on food, and is the standard advice to cook your food to a high internal temperature wrong?

The standard advice, for both steak and fish is to cook them to an internal temperature of 160 degrees to kill any bacterial contamination. Is this overly simplistic advice that's mostly incorrect? ...
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2 votes
1 answer
79 views

Can I use frozen fish in a fish pie suitable for home freezing?

In the UK (and probably elsewhere), frozen fish is considerably cheaper and more common than fresh fish. In an ideal world, I would use fresh fish along with a cream or milk based bechamel sauce, ...
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Is this safe to eat? (Egg) [duplicate]

5 organic medium egg yolks + 80g organic cow butter. Stirred on LOWEST heat. First its very liquid, then it thickens as you can see here https://emalm.com/?v=Fn4vm If I continue stirring, I get tired, ...
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0 votes
1 answer
163 views

Turkey crown cooked to temperature but pink juices after resting [duplicate]

I cooked a boneless 1.8kg Turkey crown at 170C (340F) fan for 90 minutes with foil on top to protect the skin from burning. I removed the foil and cooked uncovered for another 30 minutes, this brought ...
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0 votes
1 answer
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Is this butter ok to eat?

It was white when I bought it 2 weeks ago. I didn't open it up yet. I was gonna open it up just now but I saw new yellow stuff and some green/grey stuff on it. Should I open this up and eat it or ...
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3 votes
0 answers
85 views

Standing rib roast and safety standards collision

Some seemingly respectable sources (e.g. this and this) recommend bringing the meat to room temperature for as long as four hours. They then instruct you to slow roast it to the internal temperature ...
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19 votes
2 answers
5k views

Dirty sheet pan left in oven for over a month. Is the oven safe to use?

I just discovered a sheet pan in my oven that must have been there for well over a month or more. It looked like it had been used to bake chicken and there was a burnt outline of the pieces, but ...
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2 answers
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Roast Turkey - rinse or not? [duplicate]

I usually use the roasting bag for the turkey. I always rinse & pat dry before baking, but I read a recipe in a grocery store magazine that said not to rinse it; just pat it dry. Seems to go ...
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0 answers
124 views

Is this pumpkin with black growth safe to eat?

My wife cut open a pumpkin that she was intending to make a pie out of, but she found a blackish growth in the guts. As you can see from the image, the discoloration is localized to the "guts&...
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5 votes
1 answer
400 views

Is it harmful to heat a whetstone?

I am cooking a pressed apple terrine (a derived version of this one from Raymond Blanc) where I need a weight to put on the apples during cooking. Problem is, the only weight fitting I have that fits ...
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2 votes
1 answer
127 views

Can I pre-smoke a brisket safely?

For Thanksgiving, I was planning on slow-cooking a brisket in a smoker. However, I have learned somewhat last minute that instead of my family coming to my place for dinner, I will be going to their ...
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4 votes
1 answer
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Is this coffee maker safe to use?

I pulled down my bialetti Moka to make some coffee and found it like this: Is the coffee maker safe to use? Does it need cleaning? How should I clean it?
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3 votes
4 answers
186 views

Ensuring dry-brined turkey process is safe

I put my 22lb turkey in the fridge to start thawing last Tuesday in the evening. I took it out today and spatchcocked it and salted it all over with an herb/salt mixture and popped it back in the ...
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1 vote
1 answer
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is it ok to eat spaghetti sauce that had mold on rim of jar?

I opened a new jar of spaghetti sauce and there was a dark hard substance like old mold on the rim. There was none inside the jar and the jar seemed to have been sealed properly. Is the sauce safe ...
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What is the expiration on Morton salt substitute?

From what I read it says online the use by date is 5 years. It is composed of potassium chloride, fumeric acid, tricalcium phosphate and monocalcium phosphate. I don't understand how these chemicals ...
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2 votes
1 answer
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Is this layer on top of my fermented peppers mold? If it is not, is it still safe to eat?

I'm fermenting my home grown scotch bonnets, and I'm concerned that they're molding and are no longer edible. My setup was an open container, with a relatively high salt to water concentration (I don'...
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1 vote
1 answer
84 views

I depressurized my canner and reprocessed jars with lids sealed. Will the food be ok?

The canner began coming to pressure, steam started shooting under the pressure gauge. The jars began to seal when I opened the canner to fix the gasket. I reprocessed them all without putting new lids ...
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15 votes
3 answers
4k views

Can a beef and pork mix burger be served medium

I have seen many record state a burger can be served a little pink. Even 'medium'. I understand what this means. My question is about food safety: Is this also safe if the patty was a mix of beef and ...
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3 votes
4 answers
2k views

Wooden butter knife sanding?

I received a wooden butter knife in the mail fairly recently: now my only question is this, will it need sanding to maintain its food worthiness or does it require something else to keep it food safe? ...
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0 votes
0 answers
17 views

Safe temperature for fridge [duplicate]

I bought a fridge thermometer for my new fridge and the temperature has been fluctuating between 5 and 6.5 degrees celsius... this is whilst being on the max setting. I would have thought it would be ...
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1 vote
2 answers
174 views

Is it safe to continue using a pot that has steamed dry?

I was making steamed chicken soup in a clay pot, and think I may have steamed/simmered the larger stock pot dry. My arrangement was like so: I had a large stock pot with a few cups of water in it (an ...
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