In a small bowl, combine the sour cream and clams and mix well.
Step 2
Add the lemon juice, Worcestershire, cayenne pepper, salt and white pepper. Adjust seasonings to taste. Cover and refrigerate until chilled, at least an hour.
Step 3
To serve, place a bowl of dip on a platter with spears of red bell pepper, celery and endive, or with salted potato chips.