Line a square baking sheet with wax paper (or parchment paper) and set aside.
In a medium microwave-safe bowl, add 1 ¾ cups of chocolate chips. Microwave for 1 minute, stir, and microwave for an additional 30 seconds, repeating this process until all chocolate is smooth and melted.
Pour the melted dark chocolate onto the prepared baking sheet, using a spatula to spread the chocolate into a smooth even layer.
Immediately begin creating the snowmen by adding three white candy melts for each snowman. Repeat this process, giving the snowmen a little room between them.
Break off pieces of pretzel stick and add two arms for each snowman.
Sprinkle on white nonpareils to give the effect of snow.
Place the bark in the fridge to firm up for 20 minutes.
Melt the remaining ¼ cup of dark chocolate chips in a small bowl.
Add white candy melts to a small microwave-safe bowl. Microwave for 30 seconds at 50% power, stir, and repeat this process until chocolate is melted. Stir in 2-3 drops of food coloring. Add a few drops (or more if necessary) of avocado oil or coconut oil if chocolate begins to seize up, stirring until smooth.
Add faces to the snowmen on the chilled chocolate bark. Dip a toothpick into the dark chocolate and dot eyes, charcoal mouth and 3 buttons down the center of each snowman.
Use a separate toothpick to dip into the orange chocolate and draw a nose onto each snowman.
Use a sharp knife to chop the bark into servings, being sure to include one snowman per piece.
Place in treat bags, Christmas treat tins, or enjoy immediately for a fun winter treat!