Caviar and Champagne will almost always be a delicious pairing, according to wine educator Lexi Stephens. But some combinations work especially well.

Top each potato with a dollop of creme fraiche, a couple chives and a generous spoon of caviar. Drizzle with green herb oil, if using Blanch the herbs in boiling water for 15 seconds, then shock ...

(Store remaining sauce in refrigerator up to 3 days.) Divide caviar among 4 slices, spreading evenly over sauce. Cover with remaining toasted bread. Slice sandwiches on the diagonal.

An air of exclusivity has long surrounded caviar, a far cry from the days when the delicacy was so cheap that bars gave it out like peanuts to encourage customers to drink. But caviar has been ...