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Aly Weisman/Business Insider
In-N-Out's "protein style" hamburger.
Enter the "Protein Style" hamburger. It can only be found on In-N-Out's $4 menu.
On a recent trip to California, we taste tested the burger. Here's what we thought...
Aly Weisman/Business Insider
In-N-Out's "protein style" hamburger.
Enter the "Protein Style" hamburger. It can only be found on In-N-Out's $4 menu.
On a recent trip to California, we taste tested the burger. Here's what we thought...
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