You couldn't have picked a better park for Counter Service.
First off, one of the best CS restaurants in all of Disney is located in the "Land" building, near the entrance to Soarin'. It is called "Sunshine Seasons," and they have rotisserie chicken, flatbread sandwiches, unique salads, a delicious Spicy Thai Chicken, and plenty of kids options.
In World Showcase, here are some of our favorite Counter Service restaurants (going clockwise):
Mexico: Tacos and nachos from Cantina de San Angel (if it is still open).
Norway: Roast Beef sandwich and School Bread from Kringla Bakeri og Cafe.
China: Orange Chicken with Steamed Rice at the Lotus Blossom Cafe.
Germany: Bratwurst and Beer at Sommerfest.
American Pavilion: Grilled Chicken Caesar Wrap at the Liberty Inn
Japan: Tempura Shrimp Udon at the Yakitori House
Morocco: Falafel Sandwich at the Tangierine Cafe.
France: Ham & cheese croissant and a chocolate eclair from Boulangerie Patisserie.
England: Fish and chips at the Yorkshire County Fish Shop.
Canada: A big box of popcorn and a Molson while you watch Off Kilter perform!