Cut the onion into small dice.
1 large onion
Heat the olive oil and butter in a large skillet over medium heat. Once hot, add the onions and rosemary. Season with salt and pepper to taste.
2 tablespoon olive oil, 2 tablespoon unsalted butter, 2 teaspoon rosemary, 1 teaspoon sea salt, ½ teaspoon black pepper
Cook, stirring constantly, until the onions are deep golden brown, approximately 25 to 30 minutes.
De-glaze the skillet by adding the apple cider vinegar and gently scrapping up any browned bits from the bottom of the skillet.
3 tablespoon apple cider vinegar
Drizzle the maple syrup on top of the onions and stir to combine. Remove skillet from heat and cool for 5 minutes.
2 tablespoon maple syrup
Transfer the onions to a mixing bowl and add the softened cream cheese and the sour cream, and mix together well. Season with salt and pepper to taste.
8 oz cream cheese, 1 cup sour cream
Transfer the cream cheese onion dip to a bowl and garnish with the fresh chopped chives.
Surround the caramelized onion dip with a variety of crackers, sliced cucumbers, celery sticks, and other dippers.