You might want to look into places like P.F. Changs, The Cheesecake Factory, Maggiano's Little Italy, or Panera. Each of these chains can be found in many cities with prices usually consisting of meals under 15-20 dollars. Furthermore, it is unlikely any of these chains will take any longer than an hour. In Particular:

1. P.F. Chang's serves asian style food such as dim sum, noodles and stir fry. They also carry gluten free and vegan items in their menu.
2. Cheesecake factory carries entrees like salads, sandwiches, pastas, and even things like steak and seafood. They are known for their large sized portions, and of course, their cheescakes.
3. Maggiano's Little Italy serves italian style dishes such as lasagna, spaghetti, and tiramisu. They also offer family style portions where the table orders one entree with enough food to feed everyone. 
4. Panera Bread offers entrees like soups, salads, sandwiches, and baked goods. They bake their own breads and things like bagels which you can order at the counter.
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