Brick Roast with Mushroom & Onion Sauce - Yossi's Cuts

Ingredients

• 2 tablespoons beef fat or oil (beef fat adds extra flavor)
• ½ leek, finely sliced
• 2 shallots or ½ red onion, finely diced
• 1 teaspoon salt
• 5 cloves garlic, minced or crushed
• 1½ carrots, finely diced
• 1 parsnip, finely diced
• ½ head celery, finely sliced
• ½ zucchini, finely diced
• ½ cup tomato paste
• 1 tablespoon brown sugar (or white sugar)
• 2 cups vegetable stock (recipe below)
• ½ cup red wine
• 3-6 lbs. Brick roast
• 2-3 tablespoons beef fat or oil
• 1 tablespoon coarse salt
• ½ tablespoon coarse black pepper
• 1 cup vegetable stock (for deglazing)
• Strained sauce from roast