Preheat oven to 350°. In medium bowl with fork beat eggs slightly. Add sugar, corn syrup, margarine and vanilla; stir until blended. Stir in pecans. Place refrigerated or freshly prepared pie dough into pie plate or use frozen deep-dish pie crust. Pour pecan filling into pie crust. Bake 50 to 55 minutes or until knife inserted halfway between center and edge comes out clean. Cool on wire rack.

Preheat oven to 350°. Place beaten eggs, sugar, corn syrup, melted butter and vanilla in large mixing bowl and stir until combined well. Fold in pecans. Pour mixture into pie shell, smoothing out top with spoon so pecans are evenly distributed. Carefully place pie in oven and bake until deep nut brown and knife inserted in center of pie comes out clean, 50 to 55 minutes. Remove pie from oven to cool 30 minutes. Cool, slice and serve.