Combine flour, sugar, and salt in large bowl; cut in 3/4 cup butter
thoroughly with a pastry blender
until mixture resembles very fine crumbs. Press mixture evenly
into a greased 13’ X 9’ pan, using
a piece of plastic wrap to press crumb mixture firmly in pan.
Bake at 350 degrees for 17 to 20 minutes or until lightly browned.
Combine brown sugar, corn syrup, and 1/2 cup butter in a saucepan; bring
to a boil over
medium heat, stirring gently. Remove from heat. Stir one
fourth or hot mixture into
beaten eggs; add to remaining hot mixture. Stir in pecans and
vanilla. Pour filling over crust.
Bake at 350 degrees for 34 to 35 minutes or until set. Cool completely
in pan on wire rack.
Cut into bars.
Yield 16 large bars.