Mom's Squares

Charlotte

Ingredients
2 tablespoons cocoa
4 tablespoons butter
2 egg yolk
1 cup icing sugar
large marshmallows, about 2 cups
l cup chopped walnuts

Instructions
Melt chocolate and butter.  Add egg yolk and icing sugar; mix. Turn off heat.  Stir in nuts and marshmallows while the pot is on the stove to keep warm.
Put in a pan and cool.  Cut in squares.