1 cup firmly packed brown sugar
1/2 cup half-and-half
1/2 cup butter or margarine
1/2 cup chopped pecans, toasted
1/2 teaspoon vanilla extract
Combine first 3 ingredients in a small saucepan over medium heat. Bring to a boil; cook, stirring constantly, 1 minute. Remove from heat; stir in pecans and vanilla. Cool slightly; serve warm over slices of pie.