Creamy Buttermilk Dressing

Ingredients:
- 1 cup reduced-fat mayonnaise
- 1/2 cup reduced-fat sour cream
- 1/2 cup buttermilk
- 1 teaspoon onion powder
- 1 teaspoon cider vinegar
- 1/2 teaspoon garlic powder
- 1/2 teaspoon salt
- 1/8 teaspoon pepper

Directions:
- Place all ingredients in a blender or food processor; cover and process until smooth. Cover and refrigerate for at least 1 hour before serving.