IF you're actually curious, it was because we used to import them, and the importers would dye them red due to discoloration in how they were harvested. Domestic production ramped up in the US and since pistachios didn't have to travel as far, and because modern harvesting was more mechanized. It was easier to wash, dry, roast and salt them in a shorter time period avoiding the discoloration that required the dye in the first place.
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The shell of the pistachio is naturally a beige color, but it may be dyed red or green in commercial pistachios. Originally, dye was applied to hide stains on the shells caused when the nuts were picked by hand.[51] In the 21st century, most pistachios are harvested by machine and the shells remain unstained.[51] Wikipedia
Well now I'm wondering what those stains were. Did they dye them red because the people picking them had their hands bleeding? We were all just ingesting small amounts of laborer's blood?
Blood oxidizes to a dark brown/black pretty quickly so a red dye wouldn't really hide it.
Yes, but as technique improved, there was less blood introduced on average and the pistachios would not be evenly coloured. To preserve the impression of quality, the farms then adopted the policy of wringing the worst performing worker of each batch of their blood to cover the batch in red homogeneously. This motivated improved performance batch on batch (less blood) and eventually, two workers had to be wrung, and at some point the remaining workers got so good that no blood was introduced and a drastic policy change had to take place.
That or automation.
Takes me back. The Naked Gun | Red pistachios scene
I know it's common for actors to not really eat when filming a scene in which the character is eating but it almost adds to the joke that we never really see them eating the pistachios. They're just fidgeting with the bags and chewing on nothing.
Warwick Davis (best known for his roles as Wicket the Ewok or Willow) told this story from when he was an extra at the pod race in Star Wars Episode 1.
He had an awesome looking cocktail and he made the fatal mistake of taking three large sips in the first take. And of course he had to repeat that action every take. And they had to do many takes. Trouble was (apart from the enormous amount of liquid) that the cocktail tasted absolutely awful. But as a professional he stuck to his role of course.
Those takes never made it into the movie. They aren't even available as cut scenes or still photos.
Care to tke dinghy, Frank? No, I took care of that at the press conference.
I've been watching that movie for 20 years and I had never understood what he was eating and why he had red lips.
Turns out pistachios used to be dyed in the US.
Was this a regional thing? In my memory, they were all dyed green.
Pistachios are native to Iran, and until the 1970s Iran was the world's largest exporter. They dyed their exports with a food safe red.
I'm 31 and I've never in my life seen red pistachios in the UK and I've been eating them all my life. What kind of fuck-ass pistachios did you Americans get wtf?
Hey bud I've got some bad news for you.
What number do you see in this circle?

When I was a kiddo in the 80s, pistachios and other shelled nuts were commonly a winter holiday thing and I rarely ate whole nuts otherwise. I think peanuts, almonds and cashews are the exceptions, but they were almost always without shell. It's been a few decades, but I remember having red and green (default, I guess, but maybe dyed green as well?) pistachios at Christmas and having to fight with the shells to get them out. They were the tastiest and I didn't care much for walnuts, chestnuts or pecans.
Searching about 'red pistachios' also suggests it was a way to hide lower quality nuts. I'm not fully convinced about that, though, because I remember red dyed things tasting terrible as a kid. I don't think most modern red food coloring tastes bad, but it used to. The amount of dye that made it on to the edible portion may not have affected the nut's flavor too much, though.
All that to say: It could have been a marketing gimmick?
We used to get the red ones around Christmas. I just thought they were decorative for the holidays, like Hersey's kisses changed to Christmas color wrapping
Was pistachio ice cream also red?
Fun fact, the ketchup chips in Canada were inspired by these
/s
Where did you get that from?
US defaultism
this is mostly a US thing
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