Cathedral Window Candy

Directions

1. 1
   Place butter and chocolate chips in medium heat resistant bowl.
2. 2
   Heat, uncovered, in microwave for 4 minutes, or until melted.
3. 3
   Combine egg and sugar; add slowly to chocolate mixture. Stir in marshmallows to coat well.
4. 4
   Pour onto waxed paper.
5. 5
   Shape into 18-inch log.
6. 6
   Refrigerate.
7. 7
   Slice before serving.