I've heard a lot of people say that a brisket is only done when it's so tender you can push a probe or toothpick through it, and there is no resistance. In other words, it should feel like you're pushing it through soft butter.
What internal temp does it take to get that "knife through soft butter feeling" on a typical brisket, like the "choice" flats they sell at Sam's Club?
I've been experimenting, trying to find the optimal internal temp where it's tender, but not dried out. I just took a brisket up to 190* internal, but that still offered a bit of resistance in spots, and once I sliced it, it wasn't as tender as I like.
I'm guessing it's going to take an internal of 195-200* to get these Sam's Club flat briskets tender all the way ... does that sound about right?
Also, what's the upper limit for internal temp where a brisket starts tasting dried out? In a Cook's Illustrated cookbook, they recommend a really high internal temp -- I think it was 210* or somewhere around there -- for maximum tenderness. Anyone ever taken a brisket this high? Wouldn't that taste really dried out?
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