French Onion Dip

Ingredients

• 3 tablespoons unsalted butter
• 2 large sweet onions, chopped (about 3 cups)
• 3/4 teaspoon salt
• 1/4 teaspoon freshly ground black pepper
• 1 teaspoon dried thyme
• 4 ounces cream cheese, softened (see note)
• 1/2 cup sour cream
• 1/2 cup mayonnaise, best quality such as Hellmann’s or Duke’s
• 1/2 teaspoon Worcestershire sauce
• 1/4 teaspoon garlic powder
• 1/8 teaspoon sugar
• 2 tablespoons fresh chopped chives, for serving (optional)