Great topic!
I've had a lot of wonderful meals, many home-cooked, but to stay on topic I'll choose the one that pops to mind most clearly:
I'd recently moved home after college, and I was reconnecting with old friends. Two of my friends and I were working at the same summer camp (a day camp on a school campus, not a sleepaway camp). We decided to save up our money for a few weeks and go out for a fancy dinner.
We wound up going to a steak place in San Francisco called Bobo's. We bought $60 steaks, a dinner price probably 4 or 5 times what we were used to paying. I remember being absolutely famished when the steak came out.
Bobo's specialized in dry aged beef. They hung their meat and cut it back over weeks and weeks, letting the juices collect (or something to that effect). The result was, well, insanely delicious. I remember taking a bite of my steak and having to close my eyes and savor it. The texture was closer to butter than the chewy meat I was used to. The flavor was just incredible. And I felt so grown up, paying so much for such delicious food.
We all were just laughing at how amazing the steaks were. It was unbelievable, that steak could taste so good.
After dinner, a few of my friends decided to see the movie King of Kong. The next showing was in about an hour, so we found a nearby pub called John Barleycorn's. A guitarist was strumming in the corner, and two more guitarists happened to wander in. They started jamming together as we drank a few beers.
It was an incredible night, centered around an amazing dinner.