Orlando Convention - Marriott World Center
Help us a little bit with cuisine likes and dislikes and some sense of price. The steak house and Italian restaurant in the OMWC aren't bad and definitely fit the convenient category.
Here are a couple of nearby thoughts. All of these are easy to pull up on Goggle if they appeal.
JTs Prime Time on west US 192 close to US 27, barbecue, burgers, beer and no hassle.
Country French in a small strip mall out near the Ombi at Championsgate called Le Crepe.
The Irish pub, Raglan Road, at Downtown Disney is good, lively and easy to find.
For Mexican in downtown Kissimmee, try Azteca.