Let's start cooking!
Warm the plain waffles in an oven at 180ºC until soft and press onto a narrow cylinder to create a taco shape.
Mix the crab meat with some lime juice, fleur de sel and olive oil. Place the tomato tartare on the bottom of the Butter Crisp taco. Divide the crab between the tomatoes and spoon over a little chilli sauce. Garnish with finely grated lime zest and Greek basil leaves.