1. Preheat oven to 350 degrees. Lightly grease and flour loaf
pan.
2. Beat butter at medium speed of an electric mixer until creamy; gradually
add 1 cup sugar, beating well.
Add egg, beating until blended.
3. Combine flour, baking powder, and salt; add to butter mixture alternately
with sour cream, beginning and
ending with flour mixture. Beat at low speed just until blended.
Stir in vanilla.
4. Combine pecans and remaining 3 ingredients. Pour half of batter
into pan and sprinkly half with mixture.
Pour remaining batter on top and then mixture.
5. Bake for 1 hour or until wooden pick inserted in centre comes out
clean. Cover with foil for last 15 mins of
baking to prevent excessive browning, if necessary.