Raw Vegetable Salad with Blue Cheese Dip

Name: Raw Vegetable Salad with Blue Cheese Dip
Ingredients: 1 cup crumbled blue cheese; 2 ounces cream cheese; Small handful fresh parsley leaves; 3 tablespoons chopped onion; 1 clove garlic, coarsely chopped; 2/3 cup sour cream; 1/3 cup mayonnaise; 2 to 3, teaspoons prepared horseradish, to your taste; 2 to 3 teaspoons fresh lemon juice, to your taste; 2 teaspoons tarragon vinegar or wine vinegar; Salt and freshly ground black pepper to taste; 2 cups small broccoli florets; 2 cups small cauliflower florets; 1 cucumber, thinly sliced; 2 ribs celery, cut into smallish sticks; 1 carrot, cut into smallish sticks; Chopped fresh parsley leaves (optional), for garnish