Ingredients:
- 2 large yellow onions (500g), finely diced
- 1 tbsp extra virgin olive oil
- 0.5 tsp kosher salt
- 2 tbsp water or beef broth
- 1 tsp balsamic vinegar
- 1.5 cups plain non-fat Greek yogurt
- 0.5 cup low-fat sour cream
- 1 tsp garlic powder
- 0.5 tsp onion powder
- 1 tsp Worcestershire sauce
- 0.25 cup fresh chives, finely minced
- 0.5 tsp black pepper
Instructions:
- Heat the olive oil in a large heavy-bottomed skillet over medium-low heat. Add the diced onions and salt. Cook slowly, stirring every 5 minutes, until the onions transition to a deep, mahogany-colored jam (approx. 35-40 minutes).
- Deglaze the pan by adding the balsamic vinegar and water/broth. Scrape up the brown bits (fond) from the bottom. Once liquid evaporates, remove from heat and let onions cool completely to room temperature.
- In a medium mixing bowl, whisk together the Greek yogurt, low-fat sour cream, garlic powder, onion powder, and Worcestershire sauce until smooth.
- Fold the cooled caramelized onions and minced chives into the yogurt base. Season with black pepper to taste.
- Cover and refrigerate for at least 2 hours before serving to allow flavors to meld and the dip to thicken.