Penuche/Brown Sugar Fudge

3 cups Light brown sugar -- packed
3/4 cup Milk
1 tablespoon Butter
1 tablespoon Light corn syrup
1/2 teaspoon Salt
1 teaspoon Vanilla
1 cup Pecans -- or walnuts/chopped

Combine brown sugar, milk, butter, corn syrup and salt in a 2quart microwave safe bowl. microwave for 8 to 10 minutes. at MED-HIGH (70%) until mixture reaches the soft ball stage (or 234 deg. on the candy thermometer).- Cool to 120% (about 35 to 40 minutes at room temperature). Add vanilla. Beat until mixture holds its shape when dropped from a spoon and begins to lose its gloss. Quickly stir in nuts. Immediately pour into a buttered 8 or 9 inch square pan. Cool. Cut into squares when cooled and firm. Yield: 36 candies or 1 1/4 lbs. *Compact microwaves substitute high for med-high (70%).