If you want to eat well in Missouri, you'd better be prepared to spend a lot of time in St. Louis.That's the gist of the Food Network's lengthy, and well-researched, roundup of "What to Eat in Missouri." The gallery, published yesterday, praises more than two dozen great options in the St. Louis dining scene — from cheese curds at Taste Bar to "the Darkness" croissant at La Patisserie Choquette to the pizza at, yes, Imo's. Other highlights include Ted Drewes' frozen custard, toasted ravioli at Salt + Smoke, bacon-fried cornbread at Reeds American Table, the hot salami at Gioia's Deli, the smashed burgers at Carl's Drive-In (yum!)…