1/2 cups granulated sugar
3/4 cup sour cream
1/2 cup margarine or butter
12 ounces white chocolate, coarsely chopped
1 (7-ounce) jar marshmallow cream
3/4 cup toasted chopped pistachios (or other toasted nuts)
3/4 cup candied cherries (Candied cherries are significantly drier than Maraschino Cherries. If using maraschino cherries for the candied cherries, drain them, chop and let sit overnight to dry.)
In a heavy 2 1/2 to 3 quarts saucepot, bring sugar, margarine, and sour cream to full boil over a medium flame, stirring constantly.
Continue to boil for 7 minutes or until candy thermometer reaches 234 degrees (100 C.), stirring constantly.
Remove from stove and stir in white chocolate until melted.
Stir in the remaining ingredients until well blended.
Pour in a greased 8 inch or 9 inch square pan.
Cool for several hours or overnight; cut into squares.
Makes about 2 1/2 pounds candy.