1 Egg
1 1/4 Cup Packed Brown Sugar
1 Cup Buttermilk
1/2 Cup Vegetable Oil
2 tsp Vanilla extract
2 1/2 Cup Flour
1 tsp Baking Soda
1 tsp Baking Powder
1/2 tsp Salt
1 1/2 Cup Fresh Rhubarb, diced
1/2 Cup Walnuts, chopped
Topping:
1/3 Cup Maple Sugar
1 tsp Cinnamon
1 tsp Butter, melted
Directions:
In bowl, beat egg. Add brown sugar, buttermilk, oil and vanilla. Beat for 1 min, in another bowl mix dry ingredients. Stir dry ingredients into wet until moistened. Fold in rhubarb and walnuts.
Grease and flour 10 inch round spring form pan. Pour mixture into pan. Combine toppings and sprinkle over cake mix.
Bake at 375 for 45 min or until toothpick comes out clean.