Ingredients Original recipe yields 10 servings Ingredient Checklist 2 cups white sugar 1 cup light corn syrup ½ cup butter ¼ cup water salt to taste 1 teaspoon vanilla extract 1 teaspoon distilled white vinegar 5 quarts popped popcorn Directions Instructions Checklist Step 1 In a saucepan over medium heat, combine the sugar, corn syrup, butter and water. Stir and heat to hard-crack stage or 300 degrees F (150 degrees C). Remove from heat, add vanilla or vinegar; mix well. Step 2 Pour slowly over popped popcorn while stirring. Wait 5 minutes and shape into 3 inch round balls.