Instructions

  1. Preheat oven to 350 degrees F.
  2. Mix flour, salt and baking soda together in a small bowl, set aside.
  3. Meanwhile cream butter and sugar together in a large mixing bowl.
  4. Beat in egg.
  5. Mix in sour cream and flour mixture alternately. Mix in vanilla.
  6. Stir in rhubarb.
  7. Turn into greased 9" x 13" pan.
  8. TOPPING:
  9. Mix all ingredients together until crumbly.
  10. Sprinkle over top.
  11. Bake 40 - 50 minutes until done.