Perfect Penuche Fudge - cooking recipe

Ingredients

2 1/2 c. brown sugar (1 lb.)
1/2 c. confectioners sugar
1/2 c. white sugar
3 Tbsp. cornstarch
3/4 c. milk
1 tsp. vanilla
heaping tsp. butter
3/4 c. chopped nuts

Preparation

Boil together sugars, cornstarch and milk until it forms a soft-ball in cold water.
Remove from fire.
Add vanilla, butter and nuts.
Beat until thick and creamy.
Pour into buttered pan (10 1/2 x 7-inches).