Ingredients

4 small sweet potatoes (about 1 pound), scrubbed and cut into wedges

1 tablespoon extra-virgin olive oil

Coarse salt

1/4 cup low-fat buttermilk

1/4 cup mayonnaise

2 tablespoons chopped fresh dill, plus more for sprinkling

Preparation

Preheat oven to 425 degrees. Toss wedges with olive oil and season with salt; roast until tender, about 20 minutes. For the dip, whisk together buttermilk, mayonnaise and dill; season with salt. Sprinkle with more dill before serving.