Given the task definition and input, reply with output. In this task, you have to generate the title of the recipe given its required ingredients and directions.

ingredients: '1/4 cup sugar', '1 teaspoon all-purpose flour', '1 teaspoon ground mustard', '1/2 teaspoon salt', '1 large egg, lightly beaten', '1/3 cup white vinegar', '2 tablespoons water', '1 teaspoon butter', '1/2 cup mayonnaise', 'Torn mixed salad greens',<sep> directions: 'In a small saucepan, combine the sugar, flour, mustard and salt. Stir in egg until smooth. Gradually add vinegar and water. Cook and stir over medium heat for 3 minutes or until mixture reaches at least 160 and coats the back of a metal spoon.', 'Remove from the heat; stir in butter. Let stand for 5 minutes. Stir in mayonnaise until smooth. Cover and refrigerate until chilled. Serve with salad greens.'
Cooked Salad Dressing