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Creamy Caramelized Onion Dip

Creamy caramelized onion dip combines deeply golden, very soft onions with a smooth sour cream and cream cheese base. Chill it for at least 1 hour so the flavors meld before serving.
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Prep Time 15 minutes
Cook Time 45 minutes
Chilling 1 hour
Total Time 2 hours
Servings: 8 servings
Course: Appetizer
Cuisine: American
Calories: 240
Ingredients Equipment Method Notes

Ingredients
  

For the caramelized onions
  • 2 tbsp unsalted butter
  • 1 tbsp olive oil
  • 2 lb yellow onions thinly sliced
  • 0.5 tsp kosher salt
For the dip
  • 4 oz cream cheese softened
  • 1 cup sour cream
  • 0.25 cup mayonnaise
  • 1 tsp Worcestershire sauce
  • 0.5 tsp garlic powder
  • 0.25 tsp kosher salt
  • 0.125 tsp black pepper

Equipment

  • 1 12-inch skillet

Method
 

Caramelize the onions
  1. Melt the butter with the olive oil in a 12-inch skillet over medium heat.
  2. Add the onions and 1/2 teaspoon salt, then reduce the heat to medium-low and cook for 35 to 45 minutes, stirring every few minutes, until deeply golden and very soft; lower the heat if they begin browning too quickly.
  3. Transfer the onions to a plate and let them cool completely.
Make the dip
  1. In a medium bowl, mix the cream cheese, sour cream, mayonnaise, Worcestershire sauce, garlic powder, 1/4 teaspoon salt, and black pepper until smooth.
  2. Stir in the cooled onions.
  3. Cover and refrigerate for at least 1 hour before serving.

Notes

For the best flavor and texture, let the onions cool completely before mixing them into the dip. Refrigerate leftovers for 3 to 4 days; freezing is not recommended because the dairy can become grainy. For a dairy-free variation, use dairy-free cream cheese and sour cream.