Sock it to Me Cake II Recipe

Ingredients

• 1 (18.25 ounce) package butter cake mix
• 4 eggs
• 2 cups sour cream
• 1 teaspoon vanilla extract
• 1 cup white sugar
• 0.66666668653488 cup vegetable oil
• 1 cup chopped pecans
• 0.5 cup butter
• 0.5 cup buttermilk
• 1 teaspoon baking soda
• 1 teaspoon ground cinnamon
• 0.75 cup packed brown sugar