01 -
Line a standard muffin tin with muffin liners. Chop the flaked coconut into small pieces.
02 -
Melt the chocolate over a double boiler or in the microwave in 30-second increments, stirring regularly to avoid burning. Stir in the coconut oil until melted.
03 -
Spoon 1–1 1/2 tablespoons of melted chocolate into the bottom of each muffin liner, spreading it up the sides. Sprinkle with 1 teaspoon of chopped coconut. Refrigerate or freeze for 20 minutes to set.
04 -
Spoon 1 1/2 tablespoons of marshmallow fluff into each chocolate cup. Sprinkle remaining coconut on top. Refrigerate or freeze for 20 minutes to firm.
05 -
Re-melt chocolate if firmed, then spoon it on top of the marshmallow layer in each cup. Smooth the top. Refrigerate or freeze for another 20 minutes before serving.
06 -
Whisk egg whites and cream of tartar with a mixer until frothy. Heat corn syrup, sugar, and water in a saucepan over medium heat until it reaches 240°F. Gradually add hot syrup to egg white mixture while mixing on medium speed. Add vanilla and salt, then increase speed to high and beat until stiff peaks form, about 5 minutes.