4 cups brown sugar
1 cup heavy cream
2 Tbsp sweet butter
1 tsp Madagascar vanilla
1-2/3 cups chopped pecans
Combine brown sugar, cream and butter in medium saucepan. Stir until dissolved. Heat to between 234 and 240 degrees F.
Remove from heat and stir until mixture loses its gloss (or process in food processor 30 seconds) Quickly stir in vanilla and nuts and spread into a 9x9 inch dish.
Chill before cutting into squares.