Bring a large saucepan filled with water to a boil. Add the sweet potatoes and cook until tender, about 20 to 25 minutes.
4 sweet potatoes
Mash the sweet potatoes with a potato masher and season to taste.
Sea salt and freshly ground black pepper
Preheat oven to 400 F.
In a bowl, combine the onion, celery, and carrots.
1 red onion, 1 celery stalk, 2 carrots
Fill oven-safe ramekins with a layer of pulled beef and top with the carrot mixture.
4 cups pulled beef or pulled pork
Top each ramekin with mashed sweet potatoes and place all the ramekins on a cooking sheet.
Place the cooking sheet with the ramekins in the preheated oven, and cook for 30 to 35 minutes.