Chocolate mint pinwheels

---------- Recipe via Meal-Master (tm) v8.01
  
       Title: Chocolate Mint Pinwheels
  Categories: Candies, Cookies, Chocolate
       Yield: 10 servings
  
   1 1/2 c  Chocolate Mint Chips; *             1 ea Egg; Large
     3/4 c  Butter; Softened                    1 ts Vanilla Extract
     1/3 c  Sugar                             1/2 ts Salt
  
   *  One 10-oz package of Nestle Toll House Mint-Chocolate Morsels; divided.
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   Melt, over hot (not boiling) water, 1/2 cup mint-chocolate chips, stir
   until smooth.  Cool to room temperature, set aside.  In a large bowl,
   combine butter and sugar; beat until creamy.  Add egg and vanilla
   extract, blend well.  Gradually beat in flour and salt.  Place 1 cup of
   dough in a small bowl.  Add melted chips; blend thoroughly.  Shape into a
   ball, flatten, (mixture will appear curdled).  Cover with plastic wrap.
   Shape remaining dough into ball; flatten.  Cover with plastic wrap.  Chill
   until firm, about 1 1/2 hours).  Preheat oven to 375 degrees F.  Between
   sheets of waxed paper, roll each ball of dough into a 13 x 9-inch
   rectangle.  Remove top layers of waxed paper and invert the chocolate
   dough onto the plain dough.  Peel off waxed paper.  Starting from the long
   side, roll up jelly roll stype.  Cut into 1/4-inch slices; place on
   ungreased cookie sheet.  Bake at 375 degrees F. for 7 to 8 minutes.  Cool
   completely on wire racks.  Melt over hot, (not boiling), water remaining 1
   cup of chips; stir until smooth.  Spread flat side of cookie with 1/2
   slightly rounded teaspoonful melted chocolate.  Chill until set.
  
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