1. Preheat oven to 350 degrees. Bake 1/2 cups pecans in a single layer in a shallow pan 6 to 8 minutes or until toasted and fragrant, stirring after 4 minutes. 2. Beat together sour cream and next 3 ingredients at low speed with an electric mixer 2 minutes or until blended. 3. Stir together flour and next 3 ingredients. Add to sour cream mixture, beating just until blended. Stir in chopped apple and 1/2 cup toasted pecans. Spoon batter into a greased and floured 9x5" loaf pan. Sprinkle with remaining 1 cup chopped pecans; lightly press pecans into batter. 4. Bake at 350 degrees for 1 hour and 5 minutes or until a wooden pick inserted into center comes out clean shielding with aluminum foil after 50 minutes to prevent excessive browning. Cool in pan on a wire rack 10 minutes; remove from pan to wire rack. Before attempting to remove the bread from the pan, insert a knive around the edges of the bread to make sure it is separated from the pan.