HEAT milk in medium, heavy-duty saucepan over medium-high heat just until hot (do not boil). Reduce heat to low. Add morsels; stir until smooth. Whisk in marshmallow creme until smooth. Remove from heat.
POUR chocolate mixture into fondue pot or serving bowl. Place graham cracker crumbs in separate serving bowl. To serve, dip apple slices into warm chocolate mixture, then dip into graham cracker crumbs.
NOTE: NESTLÉ TOLL HOUSE Milk Chocolate Morsels (11.5-oz. pkg.) or NESTLÉ TOLL HOUSE Semi-Sweet Chocolate Morsels (12-oz. pkg.) may be used in place of NESTLÉ TOLL HOUSE Peanut Butter & Milk Chocolate Morsels.