1  package (3 ounces) lime-flavored gelatin 1/4 teaspoon salt 1  cup boiling water 1  cup cold water 1  ripe medium avocado 1  tablespoon lemon juice 2  cups finely shredded cabbage 1/2 cup thinly sliced radishes 1/2 cup thinly sliced green onions with tops Crisp greens Put gelatin and salt into a bowl; add boiling water [...]