1Combine cake mix and baking soda.
Add the rest of the ingredients and beat on low speed for 1 minute. Beat on medium speed for 4 to 5 minutes.
2Pour into 2 greased and floured 9 inch layer cake pans.
Bake at 350 degrees for 30 to 35 minutes.
3Cool on wire rack and frost.
FROSTING: Put pecans and butter in skillet.
Cook on medium heat, stirring until pecans are toasted.
Combine nut mixture and frosting in a small bowl.
Cool until spreading consistency.