In a microwave-safe bowl or over a double boiler, combine the chopped chocolate and refined coconut oil. If using the microwave, heat in 30-second bursts, stirring between each, until the mixture is smooth and fully melted.
Allow the melted chocolate mixture to cool for a few minutes until it’s not piping hot but remains pourable.
Pour the mixture over cold ice cream and wait a few seconds for it to harden into a glossy, crisp shell.
Transfer any leftover magic shell into an airtight container. Keep it at room temperature for up to 1 month. If it hardens, gently microwave for a few seconds to liquefy it again before use.