the Sopna in Llanrug has been voted Welsh curryhouse of the year 2007. it is about 20 mins from capel. just go down the llanberis pass and dont stop till you see it in the middle of nowhere on the left hand side. (its my local and never been dissapointed).
if you are looking for a course in north wales i can recommend Mark Handford of snowdonia-adventures or the beacon climbing centre. I work for both delivering welsh courses and am happy with the high standard they insist on. If you come on one of the Beacon intro courses most people on the course start climbing together and tag on to mates who go outside.