1CRUST: Beat Flour, 1 cup butter, 1/2 cup sugar and salt until mixture resembles crumbs.
2Heavily grease bottom and sides of 15"x10" baking pan at least 1-1/2" deep.
3Press mixture firmly into pan and bake at 350 degrees for 20 minutes.
4FILLING: Blend eggs, corn syrup, 1-1/2 cups sugar, 3 tablespoons butter and vanilla.
7Bake at 350 degrees for 25 minutes or until set.