Nutty Rhubarb Muffins

3/4 cup brown sugar
1/2 cup buttermilk
1/3 cup veg. oil
1 egg
1 tsp. vanilla
2 cups flour
1/2 tsp baking soda
1/2 tsp salt
1 cup diced rhubarb
1/2 cup chopped nuts

Topping:
1/4 cup brown sugar
1/4 cup chopped nuts
1/2 tsp cinnamon

Preheat oven to 375. In a small bowl, mix sugar, egg, vanilla, oil, & buttermilk. In a medium bowl mix flour, baking soda, & salt. Stir sugar mixture into flour mixture and blend until moistened. Stir in rhubarb and nuts. Spoon into muffin tins. Stir together topping and sprinkle over muffins. Bake at 350 for 20 minutes.