Makes 16

Made with sweet, colorful yams, these croquettes are veggie mini-burgers that can be served as a first course or appetizer, or serve several croquettes as a main course for vegetarian guests. If tangerines aren't available, substitute orange juice. Or, omit the sauce and top the croquettes with a dollop of sour cream, a cherry tomato half, and a tiny sprig of fresh flat-leaf parsley.

For the sauce

2 tablespoons mayonnaise

2 tablespoons fresh tangerine juice

2 teaspoons extra-virgin olive oil

2 teaspoons dry sherry

1 teaspoon minced fresh jalapeño pepper, or to taste

Salt to taste

For the croquettes

2 tablespoons olive oil, divided

1 cup (about 8 ounces) coarsely shredded peeled yam or orange sweet potato

½ cup finely chopped red onion

½ cup minced celery

2 cloves garlic, minced

½ cup prepared dried bread crumbs

¼ cup slivered almonds, crushed or ground

¼ cup coarsely chopped fresh flat-leaf parsley

1 egg, lightly beaten

Sprigs of fresh flat-leaf parsley for garnish