Hamburger Steaks

Bahan-bahan (4 porsi)

• 8 ounces mushrooms (sliced)
• 2 cloves garlic ( minced)
• 1 onion (divided)
• 1 tablespoon olive oil
• ¼ cup butter
• 3 tablespoons all-purpose flour (all- purpose)
• ¼ teaspoon dried thyme leaves
• 2 cups beef broth (not low sodium)
• 1 tablespoon Worcestershire sauce
• 1 pound ground beef
• 1 egg
• ⅓ cup bread crumbs
• ½ teaspoon garlic powder
• 2 tablespoons chopped fresh parsley