Butter Pecan Fudge

1/2 cup butter
1/2 cup sugar
1/2 cup packed brown sugar
1/2 cup heavy whipping cream
1/8 tsp. salt
1 tsp. vanilla
2 cups powder sugar
1 cup pecan halves, coarsely chopped

In a large heavy saucepan, combine the butter, sugars, cream and salt. Bring to a boil over medium heat, stirring occasionally. Boil for 5 minutes, stirring constantly. Remove from the heat; stir in vanilla. Stir in powder sugar until smooth. Fold in pecans. Spread into a buttered 8 inch square pan. Cool to room temperature. Cut into 1 inch squares. Store in an airtight container in the refridgerator.