Place graham cracker shells on a baking sheet. Bake at 350° for 8 minutes or until toasted.
Combine cream cheese and lemon curd in a medium bowl; beat with a mixer at medium speed until creamy. Stir in melted chocolate. Spoon cream cheese mixture evenly into tart shells. Cover and chill 30 minutes. Top each serving with 1 tablespoon blueberry preserves and 1 tablespoon Candied Lemon Peel, if desired.