Place in a large saucepan: 1 20 oz can crushed pineapple 2 lbs. fresh purple mulberries ½ t. salt 1 cup date sugar 1 T. lemon juice 2 T. agar powder (or cornstarch) Bring to a boil, stirring constantly. Place in an unbaked pie shell with a full or lattice top and bake at 350° for 30 minutes or until golden brown. ...