pea and ham soup with parsley oil A new take on an old favourite: pea and ham soup with parsley oil. Pea and ham soup can be a little cloying, but frozen peas and parsley oil give this version a fresh lift. Serves 8 1 onion 1 leek 2 carrots 1 celery heart 750g split peas 1 ham bone 3 cups frozen peas 1 bay leaf 1 bunch parsley 1/3 cup olive oil