World's Greatest Onion Dip

Total Time: 2 hrs 10 mins Preparation Time: 10 mins Cook Time: 2 hrs

Ingredients

• 2 tablespoons olive oil
• 4 small onions, chopped
• 1/2 shallot, chopped fine
• 1/2 teaspoon dried thyme
• 2 tablespoons balsamic vinegar
• 2 tablespoons worcestershire sauce
• 1/2 teaspoon coarse salt
• 1/4 teaspoon fresh ground pepper
• 1/2 cup sour cream
• 1 (8 ounce) package cream cheese, softened
• 2 tablespoons mayonnaise
• 1 pinch celery salt

Recipe

• 1 heat oil in heavy-bottom pan or dutch oven heat oil over medium heat. add onions, shallot, and thyme. let cook until onions are very soft and caramel in color, 45 to 60 minutes.
• 2 add vinegar and worcestershire sauce; let cook until slightly thickened, about 15 minutes. season with salt and pepper; remove from heat and let cool to room temperature.
• 3 meanwhile, in the bowl of an electric mixer fitted with the whisk attachment, whisk together cream cheese, sour cream, and mayonnaise until fluffy, about 5 minutes. add cooled onions and celery salt; stir to combine. transfer to refrigerator to chill at least 2 hours and up to 2 weeks; serve with crudites, flatbreads, or baguette slices.