Chocolate peanut butter cookies

1/2 cup margarine
1 cup brown sugar or Sucanat
1/4 cup soft tofu
1 1/2 cups flour
3/4 teaspoon baking soda
1 pinch salt
1/2 cup peanut butter
3/4 cup chocolate chips

Cream margarine and sugar together. Add tofu and blend very well. Combine flour salt and soda, mix wtih the sugar mixture. Add peanut butter and then chocolate chips. Bake at 375? F for 8-12 minutes on ungreased cookie sheet.