Caramelized Vidalia Onion Mashed Potatoes Recipe

Ingredients (10)

• 2 1/2 pounds Yukon gold potatoes, peeled and cut into large, even chunks
• Kosher salt
• 7 tablespoons unsalted butter, divided
• 1 tablespoon olive oil
• 2 large Vidalia onions, thinly sliced (about 4 cups)
• 1/4 teaspoon sugar
• Freshly ground black pepper
• 1 cup whole milk
• 1/2 cup sour cream
• 4 ounces cream cheese