Flatten each biscuit with your hand or a rolling pin. Spread with margarine. In a small bowl mix the sugar and cinnamon, and sprinkle the cinnamon mixture on top of the margarine. Sprinkle with the raisins and pecans, if desired.
Roll up each biscuit from one side to the other, and on an ungreased 15x10x1-inch baking sheet, arrange each biscuit roll to form an individual circle, touching one end of the roll to the other, Bake for 8 to 10 minutes or until lightly browned.