Fit pie crust into a 9-inch pie plate according to package directions; fold edges under, and crimp.
Beat eggs and next 5 ingredients at medium speed with an electric mixer until smooth. Stir in chopped pecans; pour into prepared piecrust. Arrange pecan halves on top.
Bake at 350oF for 50 minutes, shielding edges with aluminum foil after 30 minutes to prevent excessive browning.
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