Favorite Sour Cream Coffee Cake

Ingredients

1 cup butter
1 1/4 cups sugar
2 eggs
1 cup sour cream
1 1/2 teaspoons vanilla extract
2 cups flour
1 teaspoon baking powder
1/2 teaspoon baking soda
1/4 teaspoon salt

Instructions

-----Topping----1 1/4 cups pecans or walnuts -broken 1/4 cup sugar 1 tablespoon gr