Ingredients
Scale
For the Caramelized Onions:
- 2 large yellow onions (about 1 pound), thinly sliced
- 2 tablespoons unsalted butter
- 1 tablespoon olive oil
- ¼ teaspoon salt
- 1 teaspoon sugar (optional, helps caramelization)
- 2 cloves garlic, minced
For the Dip:
- 1½ cups sour cream (full-fat)
- 4 oz cream cheese, softened to room temperature
- ¼ cup mayonnaise
- 1 tablespoon Worcestershire sauce
- 2 tablespoons fresh chives, finely chopped
- 1 tablespoon fresh parsley, finely chopped
- ½ teaspoon salt (or to taste)
- ¼ teaspoon black pepper
- ¼ teaspoon smoked paprika (optional)
- Pinch of cayenne pepper (optional, for subtle heat)
Instructions
- Prepare the onions: Peel and halve the onions, then slice them thinly into half-moons, about ⅛-inch thick. Try to keep slices uniform for even cooking.
- Start caramelizing: Heat butter and olive oil in a large skillet over medium heat. Once the butter melts and foam subsides, add the sliced onions and salt. Stir to coat all onions in the fat.
- Cook low and slow: Reduce heat to medium-low. Cook the onions, stirring every 5 minutes, for 25-30 minutes. The onions will slowly soften, release moisture, and turn golden brown. If they’re browning too quickly or sticking, reduce heat to low and add a tablespoon of water.
- Add sugar (optional): After about 15 minutes, when onions are soft and beginning to color, sprinkle with 1 teaspoon sugar. This helps speed caramelization and enhances sweetness.
- Add garlic: When onions are deeply golden and jammy (after 25-30 minutes total), add the minced garlic. Cook for 1-2 minutes until fragrant, stirring constantly so the garlic doesn’t burn.
- Cool the onions: Remove skillet from heat and transfer caramelized onions to a plate. Spread them out to cool to room temperature, about 15 minutes. This prevents the hot onions from making your dip watery or causing the sour cream to separate.
- Prepare the creamy base: While onions cool, combine sour cream, softened cream cheese, and mayonnaise in a medium bowl. Use a rubber spatula or electric mixer to beat until completely smooth and well combined with no lumps.
- Add seasonings: Stir in Worcestershire sauce, chopped chives, parsley, salt, black pepper, smoked paprika, and cayenne (if using). Mix until evenly distributed throughout the creamy base.
- Fold in onions: Once the caramelized onions are completely cool, add them to the creamy mixture. Fold gently but thoroughly to distribute onions evenly throughout the dip. Taste and adjust seasoning if needed.
- Chill and develop flavors: Transfer the dip to a serving bowl or storage container. Cover with plastic wrap pressed directly against the surface to prevent a skin from forming. Refrigerate for at least 2 hours, or preferably overnight, to allow flavors to meld together.
- Serve: Remove from refrigerator 10-15 minutes before serving to take the chill off slightly for best flavor and texture. Garnish with extra fresh chives if desired. Serve with potato chips, vegetable crudité, crackers, or pretzels.
Notes
- Caramelization patience: Don’t rush the onion cooking process. Low, slow heat creates the best flavor. High heat will burn them.
- Cooling is crucial: Always let caramelized onions cool completely before mixing with dairy ingredients to prevent separation and wateriness.
- Flavor development: This dip tastes significantly better after chilling overnight as the flavors marry and deepen.
- Texture adjustment: If your dip is too thick, thin it with a tablespoon of milk or sour cream. If too thin, add more cream cheese.
- Make-ahead advantage: Caramelize onions up to 3 days ahead and store separately, then make the dip the day before your event.
- Serving temperature: Serve cold or at cool room temperature, not warm, for best texture and food safety.
- Prep Time: 10 minutes
- Cook Time: 35 minutes
- Category: Appetizer
- Method: Stovetop
- Cuisine: American
- Diet: Gluten Free
Nutrition
- Serving Size: ¼ cup (about 2.5 oz)
- Calories: 165
- Sugar: 3g
- Sodium: 245mg
- Fat: 15g
- Saturated Fat: 8g
- Unsaturated Fat: 6g
- Trans Fat: 0g
- Carbohydrates: 6g
- Fiber: 0g
- Protein: 2g
- Cholesterol: 35mg