YIELD: 2 quarts | PREP TIME: 15 minutes STOVETOP: 1 hour | SLOW COOKER: 6 to 8 hours | PRESSURE COOKER: 25 minutes ½ pound carrots, chopped ½ pound parsnips, peeled and chopped ½ pound celery (about ½ bunch), chopped 2 large leeks, cleaned and chopped (see Tip) 1...
