This tangy, creamy dressing is a healthy change from the traditional oil-and-vinegar one usually served with a Greek salad. It's also great as dip with vegetables or as a sauce for grilled chicken, lamb, or seafood.
Makes 1 1/2 cups
1 cup plain nonfat yogurt
1/2 small onion, chopped
2 tablespoons chopped fresh or 2 teaspoons dried dill
1/4 teaspoon dried mustard
1/4 teaspoon minced garlic
1/4 cup fat-free mayonnaise
Process yogurt and next 4 ingredients in a blender or food processor until smooth, stopping to scrape down sides. Whisk in mayonnaise. Cover and chill 1 hour.