In a small saucepan, combine brown sugar and cream. Cook over medium heat, stirring frequently with a whisk, until mixture begins to boil around edges. Reduce heat to low and simmer 5 minutes, stirring frequently.
Remove from heat and let cool 5 minutes before drizzling over pie.
Notes
TIP: To toast pecans, cook in a heavy ungreased skillet over medium heat about 5 to 6 minutes, stirring frequently, until fragrant.