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Old 07-12-2013, 10:48 AM   #11
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I'll bet 80% of the potatoes I cut into have larger black spots on them. I figured they were bruises, but it isn't like the blackened area is soft, so beats me.
The funny thing is I never run into them when I bake a whole potato. That leads me to think the black area turns white as it cooks, because you would certainly think one would show up once in a while. I always cut them out if I see them, so I'm not sure if the black area really does turn white if I was boiling or frying the spuds.
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Old 07-12-2013, 12:23 PM   #12
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It sounds like some kind of blight probably caused by growing conditions... too much water, too little water, too hot, too cold. If it's just a small bag, I would toss them or take them back if they were spendy in price. I would buy the replacement bag at a different store to avoid the same harvest lot.
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Old 07-12-2013, 01:02 PM   #13
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Originally Posted by Oldvine View Post
It sounds like some kind of blight probably caused by growing conditions... too much water, too little water, too hot, too cold. If it's just a small bag, I would toss them or take them back if they were spendy in price. I would buy the replacement bag at a different store to avoid the same harvest lot.
I think you have it, Oldvine.
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Old 07-12-2013, 02:25 PM   #14
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...The funny thing is I never run into them when I bake a whole potato. That leads me to think the black area turns white as it cooks, because you would certainly think one would show up once in a while. I always cut them out if I see them, so I'm not sure if the black area really does turn white if I was boiling or frying the spuds.
Now that you've mentioned this I have never noticed the spots when I go to mash them. Maybe they are gone, could be I just don't notice. Now you have me thinking that I hope I run across a spud or two with these marks.

Katy, there is one thing you can be sure of - if the potato is spoiled you WILL notice! Did they have an "off" odor, or did they smell like a regular, fresh-cut potato? The smell test is usually spot-on.
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Old 07-12-2013, 04:25 PM   #15
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I've had potatoes with running lines of black spots, almost looking like a very short dashed line. It's maybe 1/4 inch from the surface, running in a curve following the shape of the potato. I've always used the potatoes just like that and with no ill effect. I've always figured it was just some sort of "growth spurt" while the potato was growing larger, but not quite a growth ring. Anyway, I've cooked them and we've eaten them and we're all still alive. Use more pepper, like you said.

Well, it sounds very similar - though my spots are less neatly arranged than yours, but since you are still alive Cooking Goddess, I shall take the plunge (with extra pepper as suggested!)
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Old 07-12-2013, 04:32 PM   #16
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Now that you've mentioned this I have never noticed the spots when I go to mash them. Maybe they are gone, could be I just don't notice. Now you have me thinking that I hope I run across a spud or two with these marks.

Katy, there is one thing you can be sure of - if the potato is spoiled you WILL notice! Did they have an "off" odor, or did they smell like a regular, fresh-cut potato? The smell test is usually spot-on.
No, the spuds are absolutely fresh. As I mentioned, when you peel them, they look pristine - not a mark on them. It's only when you cut them in half or slice them that you see all the tiny dots in the middle of each potato. (So far it has been every potato I have picked - and luckily it was quite a small bag.) I think I will boil one, uncut and then see if the spots are still there after they are cooked. (Just as a little experiment.)

I think Oldvine's comment about growing conditions sounds like the most likely reason for them. It has been a very odd year weather-wise in the UK.
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Old 07-12-2013, 04:53 PM   #17
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Does it look like this?

This potato has a potato blight, similar to the one in Ireland years ago. The blight has been popping up in the US this year.

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Old 07-12-2013, 05:02 PM   #18
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No, nothing at all like that Aunt Bea. My potatoes are "peppered" internally with tiny black dots.
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Old 07-12-2013, 08:12 PM   #19
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I don't think this is what you have, but it is amazing the things you find when you do a google search. I do think I have seen some potatoes like these.

https://www.google.com/search?q=fusa...w=1024&bih=644
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Old 07-12-2013, 10:17 PM   #20
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If you are only concerned about esthetics, why not boil one potato and see if the spots vanish. Like Pac, I don't see them in baked potatoes. I always cut off anything the wrong colour. If the spots don't vanish, do bring the bag back to the store.
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