Lemon Chess Pie

3 eggs, beaten until light
1 1/2 cups granulated sugar
1/4 cup fresh lemon juice
1/2 teaspoon lemon zest
3 tablespoons melted butter
1/8 teaspoon salt
1 (8-inch) pie shell

Thoroughly combine eggs, sugar, lemon juice and rind, butter and salt. Pour into unbaked pie shell. Bake at 350 degrees F until well browned, about 35 to 40 minutes.