If you prefer, use the microwave to melt the vanilla candy coating. In a small microwave-safe bowl combine vanilla candy coating and the 1/2 teaspoon shortening. Microwave on 100% power (high) for 30 to 60 seconds or until coating is melted and mixture is smooth, stirring every 30 seconds.
Layer dipped and drizzled sandwich cookies between sheets of waxed paper in an airtight container; cover. Store in the refrigerator for up to 2 days. Do not freeze.