1) If you dont have wasabi paste, you can skip it. Combine mayonnaise, wasabi paste, and vinegar, stirring well. 5)Use flavourless oil for best results. Garnish with chives, if desired. Stir together sesame seeds and nori in a separate bowl. You can add that instead of wasabi paste. 3)You can add garlic instead of wasabi. Step 2 Whisk together lemon juice, sesame oil, and remaining 1 tablespoon mirin and ¼ teaspoon salt in a … Spoon 3/4 teaspoon mayonnaise mixture onto each cracker. Divide steak evenly among crackers; top each with 1/4 teaspoon mayonnaise mixture. 4)You can add chilli flakes if you need some spicyness. Advertisement. Mix together mayonnaise, lime juice, wasabi paste, 1 teaspoon mirin, and ½ teaspoon salt in a bowl. 2)Add 1 tsp wasabi powder with some water to form a paste.