Put gelatin in a medium bowl. Pour in water and stir constantly until gelatin has dissolved.
Stir in orange juice. Cover and refrigerate until almost jelled, about 30 minutes.
In a small bowl, combine remaining ingredients except vegetable oil spray, stirring well. Fold into gelatin mixture. Spray the 1-quart mold with vegetable oil spray. Pour mixture into mold. Cover and refrigerate until firm, about 1 hour.
Nutrition information per serving: calories: 190; protein: 2g; carbohydrate: 39g; saturated fat: 0.5g; monounsaturated fat: 2.5g; polyunsaturated fat: 1.5g; cholesterol: 0mg; fiber: 1g; sodium: 53mg.