Sweet Potato Pie (vegan)

4 medium Sweet Potatoes, peeled and boiled
1 cup Sugar
2 Egg replacers (I use Ener-G)
1/4 cup Margarine
1/2 cup Soy or Rice milk
1 Banana, mashed
2 tb Flour
1/2 ts Baking powder
1 ts Vanilla
1/2 ts Cinnamon
1 Pie shell, unbaked (9 inch)

1. In a large bowl, combine all the ingredients except the pie shell and mix thoroughly.Transfer the mixture to the pie shell.Bake the pie at 170 degrees C for 45 minutes or until light brown.