Set pie crust out to thaw the night before, in the refrigerator, or set out at room temperature, until thawed.
Place pie crust on a baking sheet and set aside.
Preheat oven to 375 degrees F.
In a large mixing bowl, whisk together brown sugar, melted butter, corn syrup, salt and eggs.
Coarsely chop 1 1/2 cups of pecan halves and fold into the pie filling.
Pour filling into pie crust.
Top with remaining pecan halves.
Place pie in the center of a baking sheet and bake for 35-40 minutes or until the center is set.
Let cool and store in the refrigerator before serving.
Top with whipped cream, if desired.