Step 1: Making the Crispy Rice

1. Prepare the Rice: Ensure you have cooked, day-old sushi rice. If you’re cooking fresh rice, allow it to cool completely and ideally refrigerate it for a few hours or overnight to dry it out slightly.
2. Heat the Oil: In a large skillet or non-stick pan, heat vegetable oil over medium-high heat. The oil should be shimmering but not smoking.
3. Crisp the Rice: Add the cooked rice to the hot pan in an even layer. Don’t overcrowd the pan; you may need to do this in batches if you have a smaller pan.
4. Press and Crisp: Using a spatula or the back of a spoon, gently press down on the rice to flatten it slightly. This helps create a crispy crust.
5. Cook Until Golden Brown: Let the rice cook undisturbed for 3-5 minutes, or until the bottom is golden brown and crispy. You’ll hear it sizzling and crisping up.
6. Flip and Crisp the Other Side: Carefully flip the rice cake (you may need to divide it into smaller sections if it’s too large to flip easily). Cook the other side for another 3-5 minutes, or until golden brown and crispy.
7. Season and Cool: Remove the crispy rice from the pan and place it on a paper towel-lined plate to drain excess oil. Sprinkle with a pinch of salt while it’s still warm. Let it cool completely. Once cooled, break the crispy rice into bite-sized pieces.

Step 2: Preparing the Salad Ingredients

1. Prep the Vegetables: While the rice is cooling, dice the avocados, cucumber, red bell pepper, and red onion. Chop the cilantro and scallions.
2. Combine Salad Ingredients: In a large bowl, gently combine the diced avocado, cucumber, red bell pepper, red onion, cilantro, and scallions.
3. Add Tuna: Drain the tuna well and add it to the bowl with the vegetables.
4. Make the Salad Dressing: In a small bowl, whisk together lime juice, soy sauce, sesame oil, rice vinegar, and red pepper flakes (if using).
5. Dress the Salad: Pour the dressing over the salad mixture and gently toss to combine. Season with salt and freshly ground black pepper to taste. Be careful not to overmix, especially with the avocado, to prevent it from becoming mushy.

Step 3: Making the Spicy Mayo (Optional)

1. Combine Ingredients: In a small bowl, whisk together mayonnaise, sriracha, lemon juice, soy sauce, and sesame oil until smooth and creamy.
2. Adjust Spice: Taste and adjust the amount of sriracha to your desired level of spiciness.

Step 4: Assemble and Serve

1. Arrange Crispy Rice: Place the crispy rice pieces on a serving platter or individual plates.
2. Top with Salad: Spoon the Tuna Avocado Salad generously over the crispy rice.
3. Drizzle with Spicy Mayo (Optional): Drizzle the spicy mayo over the salad. You can also serve the spicy mayo on the side for dipping.
4. Garnish (Optional): Garnish with extra cilantro, scallions, sesame seeds, or a wedge of lime.
5. Serve Immediately: For the best texture, serve the Tuna Avocado Crispy Rice Salad immediately after assembling. The crispy rice will soften over time, so enjoy it while it’s at its peak crunchiness!