You also don't need to use cherry or grape tomatoes. Any variety of tomato, cut into bite-sized pieces, will taste just the same. You don't even need salmon for this recipe. Swap the salmon with ...

Cover the salmon filet tops with equal portions of the chopped pistachios, pressing down firmly to make sure the chopped nuts ...

Discard any skin. Add ¼ cup of cooled tomato mixture to mayonnaise and stir until well combined. Season with salt to taste. To serve, divide salmon, potatoes and sauce between four plates.