Pureeing vegetables into a salad dressing is a great way to give it body. Cucumber is the base of this herb-spiked dressing; it provides a mellow grassy flavor and a luxurious texture. About 1 1/4 cups Active Time: 10 minutes Total Time: 10 minutes Ingredients 1 small cucumber, peeled, seeded and chopped 1/4 cup extra-virgin olive oil 2 tablespoons red-wine vinegar 2 tablespoons chopped fresh chives 2 tablespoons chopped fresh parsley 1 tablespoon nonfat or low-fat plain yogurt 1 teaspoon Dijon mustard 1 teaspoon prepared horseradish 1 teaspoon sugar 1/2 teaspoon salt Preparation Puree cucumber, oil, vinegar, chives, parsley, yogurt, mustard, horseradish, sugar and salt in a blender until smooth. Tips & Notes Make Ahead Tip: Cover and refrigerate for up to 3 days. Nutrition Per tablespoon: 28 calories; 3 g fat ( 0 g sat , 2 g mono ); 0 mg cholesterol; 1 g carbohydrates; 0 g protein; 0 g fiber; 63 mg sodium; 14 mg potassium.