Heat marshmallows and cream over low heat, folding over and over until marshmallows are half melted. Remove from heat, and continue folding until mixture is smooth and fluffy. Cool.

Add 3/4 cup graham cracker crumbs, fruit, nuts, orange rind and sherry to the marshmallows. Stir to combine.

Sprinkle a buttered loaf pan with 1/4 cup graham cracker crumbs, then pour the marshmallow concoction over crumbs. Chill thoroughly.