Preheat oven to 350⁰F (175⁰C). Prepare a 9” x 9” pan.
Combine oat bran, flour, baking powder, baking soda, cinnamon, cloves, salt and pecans.
Beat together egg and vegetable oil. Add brown sugar and mashed pumpkin and stir well.
Add dry ingredients to liquids all at once and stir until ingredients are thoroughly combined. Spread batter evenly in prepared pan.
Bake 25-28 minutes or until cake tests done. Remove from pan and cool on wire rack. Dust with icing sugar.
For the icing cream together cream cheese, butter and icing sugar. Ice once cake has cooled.