(1) In Russia, batter made with buckwheat flour is fried in delicate little pools that become soft beds for expensive caviar .(2) That means each can of Iranian caviar contains eggs from a single fish.(3) The chefs meanwhile offer up such delights as caviar , oysters and kangaroo steak.(4) Spoon a portion of caviar over the monkfish liver and garnish with the scallions and lemon zest.(5) Top with the cooked prawns and salmon roe or Avruga caviar .