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Typically, the back of the refrigerator is the coldest part, which will help preserve the flavor and texture of the caviar. Do not open the tin until you are ready to eat it, as this will decrease its shelf life. It is a good idea to only purchase the amount you expect to eat in a single sitting. However, if you do have leftover caviar, return it to the original tin, place a piece of plastic wrap over the top, and close the tin securely. Then, put the tin back into the refrigerator for 1-3 days to keep the taste fresh. To preserve the flavor, only use coated dishes and spoons when you're serving caviar. Avoid serving the caviar with a metal spoon or dish, as the delicacy will absorb the metal flavors. If you do not have one of these special spoons, grab a simple plastic or wooden spoon instead. You can purchase caviar spoons at your local department store in the kitchenware section or online with major retailers. Caviar is a delicate dish that should be kept chilled. This will help preserve the flavors and quality of the product. You could also rest the caviar bowl on an ice pack if you don't have any crushed ice on hand. To get the most from the experience, bring the caviar to your nose and inhale the aroma, then taste a small amount. Try not to chew the caviar or you might miss some of the more subtle flavors, as well as the unique texture. Instead, use your tongue to roll the eggs around in your mouth. Caviar is very rich, and it’s meant to be tasted or served in small amounts. If you are eating it plain, aim for 1/2 tsp (2.67 g) of caviar per tasting. If you are including it in a meal or as an appetizer, use approximately 1-3 tsp (5.33-16 g) of caviar. Since caviar is a traditional Russian delicacy, it is often paired with vodka. The vodka complements the flavors of the caviar and cleanses your palate between tastings. If you’d prefer something a little lighter, though, caviar and champagne go together very nicely.

Summary:
Store your tin of caviar in the back of the refrigerator. Use a bone, crystal, or mother of pearl spoon to handle the caviar. Keep the caviar chilled on crushed ice while you have it sitting out. Eat a small spoonful of plain caviar to experience the subtle flavor. Sip on a glass of chilled vodka or champagne to cleanse your palate.