Royal Fish Roulade

Boil the carrots and potatoes, and hard-boil the eggs.

To make rolling easier, lay down 2 to 3 layers of plastic wrap.

The first layer is grated carrots. Spread them evenly into a rectangle, lightly season with salt, and spread a thin layer of mayonnaise.

Next is coarsely grated potatoes. Do not pack them down. Top with a crisscross drizzle of mayonnaise.

The third layer is grated eggs. Drizzle with mayonnaise again and sprinkle with chopped green onions.

Now for the star ingredient: lightly salted red fish, such as trout or salmon. Slice into thin strips and arrange along one edge.