Puncture the skin in several places with a fork

Preheat your oven to 350F

Lay out a piece of foil large enough to wrap around the sweet potato twice.

Put the butter directly on the foil

Sprinkle the spices over the butter

Set the sweet potato onto the butter and spices

Wrap the sweet potato

Bake at least 40 minutes

Remove the sweet potato from the oven

Unwrap the foil

Cut the sweet potato in half longwise and serve