1 pumpkin, 4 lb., washed and dried
2 Tbs. vegetable oil
2 cloves minced garlic
6 oz. baby Swiss Cheese shredded
4 slices white bread, toasted and crumbled
2 oz. mozzarella, shredded
1 pt. half and half
1 tsp. salt
1/2 tsp. pepper
1/2 tsp. freshly grated nutmeg
French bread fingers for dipping

Preheat oven to 350 degrees. With serrated knife, cut a two inch slice from the top of the pumpkin and reserve. Remove seeds and fibers.
Blend oil and garlic and rub into the interior of the pumpkin, then place in a large roasting pan. Alternate layers of toast crumbs and cheeses inside the pumpkin.
Combine half and half, salt, pepper and nutmeg and pour over layers.
Replace top and bake pumpkin 2 hours, gently stirring contents after 1 and 1/2 hours. Accompany with French bread, buttered and toasted, if desired, for dipping.

Source:

http://familyfun.go.com/thanksgiving/thanksgiving-dinner-recipes/thanksgiving-appetizers/2/