“Meet me at Manuel’s” has been a common phrase and part of the Austin culinary lexicon since 1984, when third-generation restaurateur Greg Koury opened his iconic restaurant — dedicated to authentic regional Mexican cooking — at 310 Congress Ave. Well-known for its consistently excellent menu, cocktails, and service, Manuel’s received a boost of energy, style, and taste with the addition of Jennifer McNevin, who moved from Los Angeles in 2001 and became not only co-owner and marketing director of Manuel’s but also Greg’s bride. We got the scoop on her role in providing classic nourishment for Manuel’s loyal customers and for nourishing others though philanthropic outreach and the local arts community…