This recipe comes from an old promo sheet from Karo’s Syrup, not sure of the date but I’d guess 1970’s to 1980’s or so based on the other recipes included in the same lot. I’ve typed the recipe below as well as scanned a copy to archive.

In the tradition of the Old South
Karo’s
FAMOUS RECIPE
PECAN PIE

Pecan Pie

1 cup KARO Dark Corn Syrup
3 eggs
1 cup sugar
2 tablespoons MAZOLA Margarine, melted
1 teaspoon vanilla
1/8 teaspoon salt
1 cup pecans, halved or chopped
1 unbaked 9-inch pastry shell

Mix together first 6 ingredients then stir in pecans. Pour into pastry shell. Bake in 400°F. oven 15 minutes. Reduce heat to 350°F. and bake 30 to 35 minutes longer. Outer edge of filling should be set, center slightly soft. Makes 8 to 10 servings.