write home about
write home about {v. phr.}
To become especially enthusiastic or excited about; boast about. — Often used after "to".
Mary's trip to the World's Fair was something to write home about.
Joe did a good enough job of painting but it was nothing to write home about.
"That was a dinner worth writing home about!" said Bill coming out of the restaurant.
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Source: A Dictionary of American Idioms