Lettie'S Peanut Butter Candy
["3 c. sugar", "1 Tbsp. vinegar", "1 1/2 c. milk (1 c. evaporated, 1/2 water)", "1/2 stick margarine", "dash of salt", "1 jar (8 oz.) creamy peanut butter"]
["Combine first five ingredients and cook until it forms a soft ball.", "Add peanut butter.", "Grease cookie sheet.", "Pour.", "Cut in squares."]
["sugar", "vinegar", "milk", "margarine", "salt", "peanut butter"]