By JOHN AUSTIN Don't feel bad if you can't blast off to New Orleans for Mardi Gras.North Texas bakeries, bars and restaurants are poised to please customers who want a taste of that Crescent City je ne sais quoi, so your krewe shouldn't have any problem lining up the ingredients for an impromptu Mardi Gras party Tuesday, or at least a Big Easy toast to the occasion.Here, some ideas to have New Orleans-flavored Fat Tuesday fun closer to home before the clock strikes 12 and the season of Lent begins:Go out on the townFamily fun: Lake Dallas' Mardi Gras celebration is a lot closer than New Orleans' -- and hey, it's even near water.