Beat first 4 ingredients at medium speed with an electric mixer until blended. Add flour, soda, and salt, beating well. Stir in apple, pecans, and vanilla. Spoon into a greased and floured 12-cup Bundt pan. Bake at 325° for 1 hour and 15 minutes or until a wooden pick inserted in center comes out clean. Cool in pan on a wire rack 10 minutes. Remove from pan; cool completely on wire rack. Drizzle with Caramel Glaze. Makes 1 (10-inch) cake.
Caramel Glaze Bring all ingredients to a boil in a heavy saucepan over medium heat, and cook 2 1/2 to 3 minutes or until mixture reaches 220°. Cool. Makes 1 cup.