Ingredients

1/2 cup balsamic vinegar1/2 cup sugar1/3 cup ketchup1/4 cup finely chopped onion1 tablespoon Worcestershire sauce1 teaspoon salt1 cup olive oilSalad greens and croutons

Preparation

In a blender, combine the vinegar, sugar, ketchup, onion, Worcestershire sauce and salt; cover and process until smooth. While processing, gradually add oil in a steady stream. Serve with salad greens and croutons.