A Meatloaf Fit for Champions

Name: A Meatloaf Fit for Champions
Ingredients: 8 large white mushroom caps, minced; 6 cloves garlic, minced; 3/4 Cups extra-virgin olive oil; 7 Tablespoons butter; 1/4 Cup Amontillado sherry or cream sherry; 4 1/2 Pounds ground hamburger beef, 85 percent lean; 1 1/2 large Spanish onions, diced; 2 leeks, white part only and minced; 2 red jalapeños, seeded and minced; One 8-ounce package bacon, blanched in boiling water and then cooled under cold running water; 1 large red bell pepper, roasted, peeled, and seeded; 2 red jalapeños, roasted, peeled, and seeded; 1 handful curly parsley, chopped; 1 handful cilantro, chopped; 1 carrot, grated; 10 slices white bread, crusts removed and processed; 2 Tablespoons crushed cumin seed; 1/3 Cup Worcestershire sauce; 1 1/2 Cup ketchup; 1/4 Cup Colman's dry mustard; 2 Tablespoons cider vinegar; 1/2 Cup brown sugar; 1 large Spanish onion, sliced into thick rings; Sea salt and freshly ground black pepper, to taste