Hamburger Gravy

Bahan-bahan (6 porsi)

• 1 pound lean ground beef
• ½ small onion (diced)
• 2 cloves garlic (minced)
• 1 tablespoon Worcestershire sauce
• 3 tablespoons all-purpose flour
• 1 cup milk
• 1 cup beef broth
• 1 beef bouillon cube