01 -
In a large skillet, heat extra virgin olive oil over low heat. Add sliced onions and cook slowly, stirring every 3–5 minutes, until deeply caramelized and golden brown. Sprinkle with salt during cooking. In the final minute, add minced garlic and cook until aromatic.
02 -
Meanwhile, bring a pot of well-salted water to a vigorous boil. Add farfalle pasta and cook until al dente according to package guidelines. Drain and allow to cool to room temperature.
03 -
In a large bowl, whisk together sour cream, mayonnaise, white wine vinegar, chopped parsley, chives, and soy sauce to form a smooth, creamy dressing.
04 -
Add cooled pasta to the bowl with dressing. Incorporate most of the caramelized onions, reserving a portion for garnish, and toss thoroughly to coat the pasta.
05 -
Transfer salad to a serving platter. Top with reserved caramelized onions, scatter extra parsley leaves, and finish with freshly cracked black pepper if desired. Serve at room temperature or chilled.