Homemade Buttermilk Ranch Dressing

Homemade Buttermilk Ranch Dressing 3/4 cup mayonnaise 1/2 cup buttermilk 2 tablespoons dried parsley 1/2 teaspoon minced dried onion 1 clove garlic -- minced 1/4 teaspoon salt 1/4 teaspoon freshly ground pepper 2 tablespoons parmesan cheese Mix all ingredients except buttermilk in a small bowl. While stirring, slowly blend in buttermilk. Chill at least 2 hours before using.