Meatloaf with Mushroom Gravy

Ingredients

• 1 c. fresh breadcrumbs
• 1/2 c. milk
• 2 large eggs, lightly beaten
• 1 c. diced onion
• 1 lb. ground beef
• 1 lb. ground pork
• 1 T. Worcestershire sauce
• 1 t. garlic powder
• 3/4 t. salt
• 1/2 t. black pepper
• 1/2 t. dried thyme
• 1 T. chopped fresh parsley
• 2 T. meatloaf drippings
• 2 T. butter
• 1 lb. mushrooms, sliced
• 1/4 c. all-purpose flour
• 1 3/4 c. beef broth
• 1/4 t. garlic powder
• 1/4 c. heavy cream
• 1/2 T. balsamic vinegar