We had the Desserts Created By You menu which i don't think they offer anymore but they do have a similar one. I think its called Shortcakes Created By You and it is $26.00 per person. Here are some of the menus they offer now.
http://www.magicalkingdoms.com/ftw/wdw/menus/epcotdp.html
This is what I paid for my dessert party. We had it at the UK Lower area.
UK Lochside (Lower)...........$346.13
31 Illuminations viewing fee....$427.54
Set up fee..........$79.88
31 Desserts Created by You....$1,078.60
-Chocolate and Caramel Brownies
-Chocolate Chip and Sugar Cookies
-Biscuits, angel food cake, sponge cake
-Toppings (strawberries, pineapple, mandarin oranges, peaches, chocolate
vanilla puddings, whipped cream, caramel, chocolate syrup, cherries,
M&M's, Cookie Crumbs, nuts).
-fruit punch, coffees and teas served with swizzles, chocolate mint sticks,
Licorice drops, flavored syrups, assorted sugars, cream, honey and lemon.
-Seasonal Beverage (house made iced coffee or warm mulled cider)
We didn't have any alcoholic drinks here just coffees, juices and teas that came with the package. Nobody seemed to mind that.
We really loved this location. You could see everything from their. I have heard some have had problems with the smoke blowing back at them but we didn't have that problem. Here is a picture of the view from that location.