1 1/2 c. chocolate chips
1/2 c. chunky peanut butter
2 tbsp. butter
36 marshmallows
1/2 c. chopped nuts (opt.)

In heavy saucepan, combine chocolate chips, peanut butter and butter. Heat until melted, stirring constantly. In an 8" square pan, place marshmallows and add chocolate mixture. Sprinkle with nuts if desired. Chill until firm. Makes 36 puffs.