Mix margarine and sugar, then add egg and then dry ingredients. Divide in three and press into greased pie dishes. Prick bases then bake at 180 C for 10 - 15 minutes, or till golden brown. Cool. Whip cream then fold in condensed milk and cheese. Mix lemon and gelatin in a glass, then submerge in hot water. Stir till dissolved. Fold into cream mixture and pour into bases. Cool and enjoy!