Cost information for the following is not included. Normally this is because the quantity or ingredient is unknown
4 flour tortillas, about 7 inches in diameter
10 ounces sushi-grade tuna, thinly sliced
Anchovy sauce (recipe follows)
Wasabi mayonnaise (available in Asian specialty stores), or made at home with mayonnaise (Kewpie) and wasabi paste as a garnish, optional
2 egg yolks
2 teaspoons anchovy paste
kosher salt and freshly ground pepper