Baked sweet potatoes with maple dressing

Active: 15 minutes; Total: 55 minutes; Serves: 4

Sweet potatoes, preferably yellow	4 medium
Butter, unsalted; room temperature	2 tablespoons
Salt, fine sea
Crème fraîche	½ cup
Maple syrup	1 tablespoon
Lime juice, freshly squeezed	1 tablespoon
Fish sauce	2 teaspoons
Black pepper, freshly ground	½ teaspoon
Scallions, thinly sliced, both green and white parts	2 tablespoons
Pinenuts, roasted	2 tablespoons
Red chile flakes	1 teaspoon
Lime zest	½ teaspoon

1. Preheat your oven to 425°F. 
2. Rinse and scrub the potatoes under running tap water. 
3. Slice them lengthwise, and place them in a roasting pan, cut side facing up. 
4. Brush or smear with butter, and season with salt. 
5. Cover the pan with a sheet of aluminum foil and press around the edges to seal snugly. 
6. Bake for 20 minutes, remove the foil, flip the potatoes, and cook, uncovered, for 20 minutes more, until the potatoes are cooked thoroughly and are tender. 
7. Remove from heat and rest for 5 minutes. 
8. In a small bowl, combine the sour cream, maple syrup, lime juice, fish sauce, and pepper; season to taste with salt.
9. In another small bowl, combine the scallions, pine nuts, chile flakes, and lime zest.
10. To serve, top the warm roasted potatoes with a few tablespoons of the dressing, and sprinkle with the scallion-nut mixture. 

Recipe adapted from Food52.