Sweet Caramelized Onion Spread

Bahan-bahan (12 porsi)

• 1 tablespoon butter
• 2 medium Vidalia sweet onions, (sliced)
• 4 ounces cream cheese, (softened)
• ½ cup mayonnaise
• ½ cup sour cream
• 1 medium garlic clove, (minced)
• salt and black pepper, (to taste)
• cayenne pepper, (to taste)