01 -
3 tablespoons butter.
02 -
2 cups diced onions or shallots.
03 -
2½ pounds sweet potatoes or yams, peeled and chunked.
04 -
2 large apples (about 1¼ pounds).
05 -
6 cups vegetable broth.
06 -
¾ teaspoon ground cinnamon.
07 -
¾ teaspoon ground nutmeg.
08 -
1 teaspoon salt.
09 -
2-3 tablespoons fresh lemon juice.
10 -
1 tablespoon maple syrup, plus more for serving.