Preheat oven to 400 F. Place tartlett shells on a sheet tray and bake until golden brown. Let cool.
Mince salmon in a food processor. In a medium bowl, mix salmon, onion, chives, capers, aioli and a touch of lemon. Season with salt and pepper to taste. Refrigerate until use.
In a small bowl, mix yogurt, dill, lemon, salt and pepper. To serve, fill each shell with a spoon of salmon mixture. Top with a refined amount of caviar and tiny dollop of yogurt. Garnish with dainty dill sprig.
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