01 - Preheat oven to 340°F and line baking sheet with parchment paper. Spread cooked, dried quinoa evenly on sheet. Bake for 15 minutes, stirring once halfway, until dry and crisp. Let cool completely.
02 - Place chopped dark chocolate in heatproof bowl over pot of simmering water (double-boiler method) or microwave in 30-second bursts, stirring until smooth and fully melted.
03 - Mix cooled, toasted quinoa into melted chocolate until well coated. Sprinkle sea salt evenly throughout. Add any desired optional mix-ins such as toasted nuts or shredded coconut.
04 - Drop heaping teaspoons of mixture onto parchment-lined tray, shaping into small rounds about 1.5 inches in diameter. Space slightly apart to prevent sticking.
05 - Refrigerate for 30 minutes or until fully set and crisp. Test by gently touching center to ensure firm texture.
06 - Enjoy immediately or store in airtight container at room temperature for up to 1 week. For longer storage, keep refrigerated for up to 2 weeks.