See's Butterscotch Squares without the Chocolate

2 cups brown sugar, packed
3/4 cup heavy (whipping) cream
6 tbsp. butter (not margarine)
1/4 tsp vanilla (or maple) flavoring
1 1/2 cups confectioner's or XXX sugar
1/2 cup chopped pecans (use nuts only if you want to destroy the flavor)

Combine brown sugar, whipping cream and butter in large heavy saucepan. Heat and stir until boiling. Reduce heat and simmer for 15 minutes. 

Remove from heat. Add flavoring, confectioner's sugar (and pecans if you must). Mix well.

Spread into an UNgreased 8x8-inch pan. Cool to room temperature.

Cuts into about 36 pieces.