Preparation:
combine olive oil, vinegar, lemon juice, onions, salt, white pepper, black pepper, parsley, and sugar in a blender or food processor process until well blended, set aside arrange tuna, green beans, potatoes, olives, tomatoes, and mixed greens onto a lettuce-lined platter lightly moisten with the dressing mixture garnish with quartered hard-boiled eggs, capers, and parsley serve chilled |
