- Truffle Bourbon BBQ Meatloaf Recipe Ingredients: 2 tablespoons Giorgio Black Truffle Olive Oil 1 medium red or yellow onion, roughly chopped 1 medium carrot, roughly chopped 1 stalk celery, roughly chopped 1/4 red bell pepper, roughly chopped 3 cloves garlic 2 pounds ground beef (90/10 blend) 1 tablespoon Worcestershire sauce…