1Mix brown sugar, vegetable oil, egg and vanilla together. Mix in baking soda and gradually add flour. Stir in rhubarb and pecans.
2Pour into 2 greased bread pans filling each 2/3 full. Mix sugar and butter and sprinkle over top of batter. Bake at 325 degrees for 40-45 minutes or until toothpick inserted in center comes out clean.