Preheat the oven to 350°F (175°C).
Spread pumpkin seeds on a baking sheet.
Roast seeds for 10-12 minutes, stirring occasionally.
Remove seeds from oven and let cool.
Melt dark chocolate with coconut oil in a double boiler.
Combine the cooled pumpkin seeds with melted chocolate.
Sprinkle sea salt and cinnamon over the mixture, adjust to taste.
Spread coated seeds onto a parchment-lined baking sheet.
Chill in the refrigerator until chocolate hardens, about 30 minutes.
Enjoy as a snack or topping!