Mine would be:
MK: Dole Whip from Aloha Isle
EP: Cheddar Cheese soup
HS: Cinnamon Roll from Starring Rolls
AK: Ahi Tuna nachos from Yak and Yeti
DS: Thanksgiving sandwich from Earl of Sandwich
Honorable mention to the Chimichurri Mayo sauce and fries at the QS in All star music!
MK: rolls & butter at Liberty Tree
HS: butterfinger cupcake
AK: fried wonton dessert at Yak & Yeti
EP: chocolate covered caramel square with sea salt at Karamell-Kuche DS: 49th & Broadway cheesecake at Amorette’s Patisserie
DS-a sundae from Ghirardelli (probably the Gold Rush)
Epcot-the vanilla custard and berry dessert at Biergarten (I forget what it's called)
MK-Nutella and strawberry waffle at Sleepy Hollow, honorable mention to Ooey Gooey Toffee Cake at LTT
AK-salad at Tusker House buffet, has blue cheese crumbles in it
DHS-Carrot Cake Cookie
MK: Cream Cheese Pretzels
EP: Funnel Cake in America
HS: a tie between the BBQ pork Mac and Cheese and the Chocolate Peanut Butter stuffed cupcake
AK: Pongu Lumpia (Pineapple Cream Cheese Spring roll)
DS: Anything Chocolate at Ghiradelli
I say:
MK: A tie between a Dole Whip and Cream Cheese Pretzels in Tomorrowland
EP: Fish and Chips at the UK QS
HS: PBJ shake at Prime Time
AK: Pongu Lumpia (Pineapple Cream Cheese Spring roll)
DS: Any ice cream at Ghiradelli
MK: Dole Whip
EPCOT: Strawberry Shortcake from Sunshine Seasons (it truly is the best in the whole wide world)
HS: Nothing really grabs my fancy at this park, but I guess I'll say popcorn for Fantasmic I am yet to try the famous Carrot Cake cookie though!
AK: I haven't tried this yet, but I have a good feeling it will make a must do list. The bowls from Satu'li Canteen.
DS: A lot has been added since I last came, but I would say a Sprinkles Cupcake (which I am yet to try).
MK: LeFou’s Brew/Dole Whip
Epcot: everything at F & W Festival
DHS: Mickey Ice Cream Bar
AK: ? (Never ate there)
DS: Holiday sandwich at Earl of Sandwich
Daulkey Duo at Raglan Road
MK-popcorn (It's a thing with me)
Epcot-adult slushies in France
DHS-carrot cake cookie (Are these gone now?)
AK-Dole whip with rum
DS-Ger's Bread Pudding at Raglan Road
DS Hummingbird cake and ice cream at Homecoming
MK Waffle Bowl sundae at Plaza Ice Cream
Epcot pink Macaron ice cream sandwich at the France Pastry shop
AK pineapple wonton dessert at Yak&Yeti
HS Carrot Cake cookie
MK: Oooey Gooey Toffee Cake @ Liberty Tree
Epcot: Carciofi Pizza @ Via Napoli
AK: Ahi Tuna Nachos @ Yak n Yeti
MGM: Carrot Cake Cookie @ Writers Stop or Sweet Spells or wherever they are serving it now in their quest to shut down the entire park
DS: Tie between Thigh High Chicken Biscuits @ Homecoming and Spare Ribs @ Morimoto
MK: Lafou's Brew
EP: Cheddar Cheese Soup from Le Cellier]
HS: don't have a favorite from here
AK: Mango Pie from Yak & Yeti
DS: sandwich from Earl of Sandwich
MK-dole whip
EP- Les Halles- Duo dessert
AK-Yak and Yeti-Tuna Salad and Chicken Tikka Masala
HS-Big Giant Pickles(I think they are gone
DS- Ghiradelli Sundae
MK: Pot roast from Liberty Tree Tavern
Epcot: This is definitely the hardest! Either the dip trio from La Cava or the mushroom risotto at Le Cellier!
DHS: Carrot cake cookie (RIP Writer's Stop!)
AK: Chicken tikka masala from Yak & Yeti
DS: Dalkey Duo from Raglan Road
MK: S.E.A. shu mai (dumplings) from Skipper Canteen
EP: Avocado margarita from La Cava del Tequila
HS: Cobb salad from Brown Derby
AK: Grilled octopus from Tiffins
DS: Toro (tuna) tartare from Morimoto Asia
AK: beef bowl at Satu'li
MK: lamb at Skipper Canteen
HS: Darth Vader (now Kylo Ren) cupcake at Backlot. Unless beer flight at Taphouse is food?
EP: Fish and Chips in UK
DS: Lamb meat pie at Cooke's of Dublin
MK - Ooey Gooey Toffee Cake at Liberty Tree
EP - Grand Marnier Slushy in France
AK- Pap at Tusker House Breakfast (I cannot get enough of this stuff)
HS - Pot Roast at 50's Prime Time
DS - It's a tie Earl of Sandwich (any sandwich) & salmon from Ragland Road
MK - tuna sandwich from Columbia Harbour House
Epcot - rice cream from Kringla
DHS - Mickey bar (not much I like here)
AK - chicken skewer from Harambe Market
DS - rice bowl at Splitsville followed by something from Haagen Dasz