2. Fry over med /high heat until the fat is rendered and the bacon is almost crisp. Leave the bacon in the pan, and set it aside while you boil the sweet potatoes.
3. Peal the sweet potatoes, then cut into chunks. Bring to a boil, then turn to for a soft boil for about 30 minutes, or until you can easily insert a knife into each piece.
4. Drain the potatoes, mash, then add the butter, seasonings, and mashed until the butter is melted, and the seasonings are combined. Add the Bacon along with the Bacon Fat, and stir it in. If the bacon has gotten cold, just warm it up until the bacon fat has melted.