Possible Clues:

• Pancakes left in container one's finished
• British love tossing up single pancake
• Russian pancake for caviar
• Russian buckwheat pancake
• Litre in wine store I needed for this: it usually goes with caviar
• Russian pancakes served with sour cream
• Treats often topped with caviar
• Learner introduced to writer mounting current Russian course
• Pancakes known as mlyntsi in Ukraine
• Ukrainian pancakes