Bread Pudding at Raglan Road.... absolutely delish! (Had to have it 3 times on our last trip)
Anything off the sushi menu at Cal. Grill. Or alternately for a quicker, cheaper, just with a bit less selection (and not as good view) but equally yummy - the Kona sushi bar, especially the Volcano Roll.
Oh, and can't pass up a Dole Whip pineapple float at MK.
If you are paying out of pocket (not on a dining plan) and are willing to endure the noise.... go to Rainforest Cafe and get the Bamba's Barbecue Wrap in chicken. It is soooo good. That darn wrap has caused us to go back three times. And every time I see a Rainforest I have to stop and buy some of the BBQ to use at home.
Dole Whip soft serve at MK
Seared Beef Salad and Bread Pudding at Raglan Road
Beneigts at POFQ
Fried Wontons at Yak & Yeti
Steak & Mashed Potatoes at Grand Floridian Cafe
Mushroom Puff Pastry appetizer at Rose & Crown
Ice Cream Cookie Sandwich at Main Street Bakery MK
Banana Stuffed French Toast at Boatrights at Port Orleans Riverside. If you have a high tolerance for sugar at breakfast - this is the item for you. I'm drooling now thinking about it.
I'm not a foodie so my opinion may not be worth much. Eating food is one of the necessary and sometimes irritating interruptions in my otherwise very busy life!
However, I dream of the cream cheese filled pretzels that I got at the CS snack place at the base of the Astro Orbiter in Tomorrowland. Oh my my my...