From :http://allrecipes.com/Recipe/Peanut-Butter-Breakfast-Syrup/Detail.aspx?evt19=1
Ingredients
Original recipe makes 12 servingsChange Servings
1 cup skim milk
1 cup white sugar
1/2 cup natural peanut butter
1 teaspoon vanilla extract
Directions
Stir milk, sugar, and peanut butter together in a saucepan over medium heat; bring to a boil while whisking constantly. Cook at a boil for 3 minutes, remove from heat, and stir vanilla extract into the syrup.