For the dark chocolate layer:
Line an 8x8 baking pan with plastic wrap and set aside.
Pierce a large sweet potato with a fork and wrap in aluminum foil. Bake at 400 degrees for 45-60 minutes or until soft. Remove from heat and let cool. When cool enough to handle, remove skin and mash. Measure out one cup and place in a food processor.
In a double boiler, melt chocolate chips. Once melted, add to food processor with sweet potatoes. Pulse until well combined and fluffy, scrape down sides as needed.
Meanwhile, in a small saucepan over low heat warm coconut oil until melted. Stir in maple syrup and vanilla to warm. Add to food processor and blend with sweet potato/chocolate mixture until well combined.
Lastly, add sea salt and sugar to food processor and blend once more.
Transfer to baking pan and gently tap on the counter so the fudge settles evenly. Place in the freezer until hardened, around 2 hours.
Make this fudge in two stages. Wait for the dark chocolate fudge to harden before you top with the white chocolate peppermint layer!
For the "white chocolate" peppermint layer:
Over low heat melt the coconut butter, maple syrup and peppermint extract together. When coconut butter is liquified, poor on top of dark chocolate layer and add desired toppings. Return to freezer until hardened, around 10-20 minutes.
Remove from freezer for 10 minutes prior to slicing. Run a sharp knife under hot water to make slicing easier :)
Store in an air-tight container in the freezer. Enjoy :)