Easy made Peanut Butter Fudge

Recipe;
2 cups white sugar
1/2 cup milk
Bring to a boil and boil for 5 minutes stirring constantly
Take off heat and add
1 cup peanut butter
1 teaspoon vanilla
1 cup peanuts opt.
Mix all together well and pour out into a buttered 8" or 9" pan.Let cool and cut into squares.