Salad with blue cheese dressing

Name: Salad with blue cheese dressing
Cuisine: European, American
Ingredients: 2cup Sour Cream; 1/2 teaspoon Dry Mustard; 1/2 teaspoon Black Pepper; 1/2 teaspoon Salt (Scant); 1/3 teaspoon Garlic Powder; 1 teaspoon Worcestershire Sauce; 2 cups Mayonnaise; 4 ounces Danish blue cheese crumbled; 1 3/4c buttermilk; Parsley; Chives; Dill weed; Lettuce; Onion; Carrots; Cucumber; Green bell pepper; Tomato