You don't know how lucky you are unless you have been to one. Currently they are only in California, Utah, Nevada and Arizona. The company is building a whole new meat processing facility in Texas, so more Texas locations should be on the way.
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sidedish.dmagazine.com...]
Here's their site:
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in-n-out.com...]
Don't miss the "Not so secret menu":
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in-n-out.com...]
Make sure to get it Animal Style. And don't forget the great fries and shakes