1. Preheat the oven to 400 degrees F.
2. Place sweet potatoes on a baking sheet and roast until easily pierced with a fork, about 1 hour.
3. Peel the skin off of the sweet potatoes while still hot.By hand or mixer, smash potatoes until all large chunks are gone. Combine the potatoes, butter, salt, orange juice, brown sugar, ground cumin, molasses and maple syrup in a large bowl. Continue to mix all together until all lumps are gone. Adjust any of the seasonings to your specific tastes. Can be made the day before.