rocky road cookies

Ingredients For rocky road cookies

• 1/2 c

  butter, softened
• 1 c

  sugar (white)
• 1

  egg
• 1 tsp

  vanilla
• 1/2 c

  cocoa powder
• 1 3/4 c

  flour
• 1/2 tsp

  baking soda
• 1/2 tsp

  salt
• 1/2 c

  milk
• 36

  marshmellows, large, cut in half
• 1/3 c

  butter, softened
• 2 oz

  chocolate, unsweetened, melted, cooled
• 2 c

  confectioners' sugar
• 1 1/2 tsp

  vanilla
• 3 Tbsp

  milk
• 1 c

  pecans, chopped (optional)