For the Tuna Tartare: Dice the tuna into ¼-inch cubes and place in a bowl.
In a medium bowl, whisk together the soy sauce, chives, sesame oil and seeds, ginger, honey, sriracha, and lime juice.
Gently fold in the tuna and divide in 6 portions.
For the Idaho Potato Waffle: Preheat a Belgian waffle iron.
Combine the potatoes and shallots, then wrap the mixture in a dish towel and squeeze out the excess liquid.
In a large bowl, combine the potatoes, shallots, salt, pepper, egg, and flour until evenly mixed.
Spray the waffle iron with the olive oil spray.
Spoon 1/6 of the potato mixture into the preheated waffle iron, close, and cook until golden and crisp on the outside, 5 to 8 minutes. Remove the waffle to a wire rack and repeat with the remaining batter.
Serve each waffle garnished with a portion of tuna tartare, 1 Tablespoon crème fraiche, and a quenelle of caviar.
Chef Notes:
This recipe should give you about 6 small waffles total, if you use a Belgian waffle maker.
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