Rhubarb Cake (Hilda)

1 1/2 c         brown sugar                             1 tsp          baking soda
1/2c             margarine                                 2 c             flour
1                  egg                                          2 c             rhubarb- chopped
1 tsp            vanilla
1 c              sour milk

Topping       1/2 c          brown sugar
                    1 tsp          cinnamon
                    3/4 c          chopped nuts

Cream sugar and margarine.  Add egg, vanilla, and sour milk and mix.  Add flour and baking soda and beat.  Fold in chopped rhubarb.  Pour into greased 9 x 13 pan.  Sprinkle on topping and bake at 350 degrees for 35 min.  Very good served warm with a little ice cream.
I have also made this recipe into muffins.