Meatloaf with Mushroom Gravy - Martin's Famous Potato Rolls and Bread

Ingredients

• 1 Cup Fresh Bread Crumbs, From About 6 Slices Martin’s Butter Bread (See Instructions Below)
• 1 Slice Martin’s Butter Bread, crust removed
• 1/2 Cup Milk + 1 Tablespoon, divided
• 1 Pound Ground Beef (you can also substitute ground turkey, chicken, or pork)
• 1 Pound Button Mushrooms, finely chopped
• 1 Teaspoon Fresh Thyme, minced
• 1 Tablespoon Fresh Italian Parsley, minced
• 1 Tablespoon Worcestershire Sauce
• 1 Teaspoon Onion Powder
• 1 Tablespoon Fresh Garlic, minced
• 2 Eggs, lightly beaten
• 2 Teaspoons Kosher Salt
• 1/2 Teaspoon Black Pepper
• 1/4 Cup Milk
• 2 Tablespoons Cornstarch
• 3 Tablespoons Flour
• 3 Tablespoons Unsalted Butter
• 1-2 Cups Beef Stock
• 1 1/2 Pounds Crimini Mushrooms, sliced
• 1/3 Cup Onion, diced
• 2 Teaspoons Worcestershire Sauce