Sour Cream Coffee Cake - cooking recipe

Ingredients

1/4 c. brown sugar
2 tsp. cinnamon
1 c. chopped pecans
1 (18 1/2 oz.) yellow cake mix
2/3 c. salad oil
1/2 c. sugar
1 tsp. vanilla
4 eggs
8 oz. sour cream

Preparation

Topping:
Combine brown sugar, cinnamon and 1/2 cup pecans; set aside.