Finally, I have taken the time to lower the outdoor kitchen. It was about 8 inches to high when I originally built it and I just put up with it, because I thought it would be a huge task to adjust it because of the heavy marble top.
Turns out it was easy. Took about a half hour or maybe an hour to do the whole thing.
Today, I made a pasta salad on it and I did not get a pain in my shoulders. Woot!