Stained Glass Candies

4 oz Chocolate; semisweet (4 squares)
1 c confectioners sugar
1 Egg; beaten
3 c Marshmallows; colored mini
1/2 c Walnuts
2 ts Butter

Melt chocolate, add sugar and egg, pour over nuts and marshmallows. Form into rolls, wrap in wax paper and refrigerate. When cool, slice into round candies.