Mix together 1 1/2 cups light Karo syrup, 3 slightly beaten eggs, 2 tablespoons melted butter, 1 teaspoon vanilla and 1/8 teaspoon salt. Stir in 1 cup coarsely chopped walnuts. Pour into an unbaked 9 inch pastry shell.

Bake in 350 degree oven, 1 hour or until knife inserted near center comes out clean.

Cool before serving.