Ingredients 4 tablespoons unsalted butter 1 white onion (small finely chopped) 6 celery ribs (finely chopped) 6 scallions (thinly sliced)...

Ingredients 1 cup sour cream 2 tablespoons pickled jalapeño pepper slices, chopped 2 tablespoons fresh cilantro, chopped 2 teaspoons...