Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   1 1/2  cups          sugar
  12      ounces        evaporated milk
     1/4  cup           butter or margarine
   2      cups          miniature marshmallows
  12      ounces        chocolate chips -- (2 cups)
   1      teaspoon      vanilla
   1      cup           chopped nuts -- (optional)

Preparation:

Mix sugar, milk, butter and a dash of salt in a 3 quart microwave safe bowl. Cover loosely with wax paper. Microcook on high 4 minutes. Uncover, Microcook 10 minutes more, stirring every 3 minutes. Continue cooking, stirring every 2 minutes, until candy thermometer reads 234 to 240 degrees. (soft ball stage). Stir in marshmallows and chocolate chips and nuts if using. Stir vigorously until creamy and slightly glossy. Spread in a buttered 11x7 pan. Refrigerate 2 hours or until set.