Peel, core and chop apples. Combine apples, walnuts and lemon juice in mixing bowl; fold to mix. Melt margarine. Place 2 phyllo leaves on a lightly dampened, lightly bread-crumbed cloth. Brush leaves lightly with melted margarine. Lay a second leaf on top of each leaf. Brush each layer lightly with melted margarine. Repeat using all the leaves. Place apple filling 5 cm in from long edges. Fold long edges in over the filling. Fold over the ends. Roll up dough, jelly-roll fashion. Score top into 10 pieces with a sharp knife or scissors and place on greased cookie sheet. Bake at 180ºC for 25 minutes, or until lightly browned. 1 piece = half bread, -20ºC at calories = 108