Quickest Peanut Butter Fudge Ingredients 2 Cups sugar 1/2 Cup milk 1 teaspoon vanilla 3/4 Cup peanut butter Instructions In a sauce pan bring sugar and milk to a boil. Boil for 2 1/2 minutes. Remove from heat then stir in vanilla and peanut butter. Spread into an 8×8 inch dish. Cool and serve or refrigerate.