Instructions

  1. Butter a 9 x 13 inch pan.
  2. Mix sugar, evaporated milk and butter in large saucepan.
  3. Stir constantly over medium heat and bring to a full boil.
  4. Stir 4 minutes.
  5. Remove from heat.
  6. Stir in peanut butter, vanilla and marshallow.
  7. Spread in pan.
  8. Cool completely and cut into squares.