Crust:
1 1/2 c. flour
1/4 c. sugar
1/4 t. salt
1/2 c. margarine
Mix until crumbly, then press into a greased and floured 10 x 15 inch pan. (press up sides too) Bake at 350 for 20 minutes.
Filling:
4 eggs
1 1/2 c. sugar
2 t. vanilla
1 1/2 c. Karo syrup
3 T. butter
2 1/2 c. chopped pecans
Spread on baked crust. Bake at 350 for 25 minutes. Cool and cut into bars