Vegan California Roll (Spicy Tofu Crab Salad)

Ingredients

• 1 16 oz package super-firm high-protein tofu (see notes to sub extra-firm)
• 1/2 cup vegan mayonnaise
• 3 tablespoons sriracha (more or less, to preference)
• 2 tablespoons soy sauce
• 1 ½ tablespoons rice vinegar
• 1 teaspoon toasted sesame oil (optional)
• 2 scallions (finely sliced)
• 2 tablespoons finely shredded carrot (optional, for color)
• sushi rice (see notes)
• fresh avocado (sliced)
• fresh cucumber (cut into strips)
• sushi nori
• toasted sesame seeds
• soy sauce
• wasabi
• pickled sushi ginger