Nana'S Peanut Butter Fudge

Directions

1. 1
   Mix all sugar, vinegar, milk, water and margarine.
2. 2
   Cook until it begins a rolling boil, stirring constantly.
3. 3
   Let simmer until it forms a ball in cold water.
4. 4
   Remove from heat and add 1/2 of the marshmallows; stir until dissolved.
5. 5
   Add peanut butter by tablespoons until hard, then add remaining marshmallows and stir until mixed well.
6. 6
   (These won't dissolve completely.)
7. 7
   Pour into greased pan and cool.
8. 8
   Cut in block-size of your choice.
9. 9
   Makes approximately 9 x 13 pan.
10. 10
    Smaller size pan makes thicker squares.