Place sweet potatoes in a pot and cover with water. Bring to a boil, then reduce the heat to a simmer. Cook for about 8 minutes, or until they are slightly tender.
Preheat the oven to 350°.
In a small saucepan, combine orange juice, miso, and brown sugar. Bring to a simmer and stir. You may need to use a fork to mash and dissolve the miso.
Reduce the heat to low.
Remove ¼ cup of the liquid and transfer it to a bowl. Add the arrowroot powder to the bowl and whisk to combine. Be sure to break up all clumps.
Pour the arrowroot drizzle into the pan with the glaze, and whisk. Add the vegan butter and stir well.
Remove from the heat.
Transfer the cooked sweet potatoes to a baking dish (I use a pie pan) and cover with the orange miso glaze.
Bake for 20 minutes, until the sweet potatoes are totally tender, and the glaze has thickened.
Serve with fresh herbs, Maldon salt, and black pepper.
Notes
Recipe Notes & Tips:
Use fresh orange juice, not from concentrate for the best taste. Unpasteurized is even better, or squeeze your own juice if you can.
This recipe can be made with any variety of sweet potatoes or a blend for varied texture.