Meatloaf Stroganoff

Bahan-bahan (6 porsi)

• 1½ pounds ground beef
• ¾ cup quick oats
• 1 cup milk
• 1 egg
• 1 teaspoon Worcestershire sauce
• ½ teaspoon kosher salt
• ¼ teaspoon fresh black pepper
• ½ teaspoon sage
• ½ teaspoon celery salt
• ½ teaspoon granulated garlic or garlic powder
• ½ teaspoon granulated onion or onion powder
• 2 tablespoons butter
• 1 small onion sliced thin, about 3/4 cup
• 2 large garlic cloves, minced
• 8 ounces crimini or white button mushrooms, sliced
• 1 cups beef broth
• 2 tablespoons all-purpose flour
• 1 teaspoon worcestershire sauce
• ½ cup sour cream
• ½ teaspoon kosher salt, adjust to taste
• ½ teaspoon freshly ground black pepper