Rogan Josh

• 10 peppercorns (whole)
• 10 black cardamoms (whole)
• 8 of garlic (cloves)
• 2 onions
• 2 bay leaves
• 1 stick cinnamon
• 1 of ginger (cubes chopped)
• 1/8 yoghur stir
• 900 gr lamb
• 350 ml beef broth