Preheat oven to 400. Pierce potatoes with fork and place on baking sheet. Bake until done, about one hour.
While potatoes are baking, purree pears and 1/4 cup juice.
Remove potatoes and peel. Beat potatoes and butter with electric mixer. Mix in pears, sugar, cinnamon and nutmeg. Season with salt and pepper. Butter a 13x9 inch glass baking dish and add potato mixture. Bake at 350 uncovered untl just heated through about 20 minutes.
Go to full version of
Mashed Sweet Potatoes and Pears recipe