Zingy smoked salmon and avocado tartare

There is an unspoken rule in the Johansen family: don’t mess with the fish. We don’t like a lot of embellishment when it comes to our prized Norwegian seafood. This isn’t an exclusively Johansen quirk – across Scandinavia you’ll find that seafood is treated with reverence. If it’s fresh, let it shine.

So this tartare is something of a departure from the family tradition of serving smoked salmon simply with a wedge of lemon, some buttered toast and m