Tuna Tartare

Ingredients

• 1 lb (450g) fresh tuna, finely diced
• 1 medium red onion, finely chopped
• 1-2 jalapeños, finely diced (optional for heat)
• 1/2 cup fresh cilantro, chopped
• 1 cup fresh lime juice (about 8-10 limes)
• Salt and pepper to taste
• 2 ripe avocados, thinly sliced
• 1/2 lemon, juiced
• Salt to taste
• 1 cup mixed baby greens
• 1/2 cup cherry tomatoes, quartered
• 1/4 cup radishes, thinly sliced
• 1 sheet of nori (seaweed)
• 1 egg white, lightly beaten
• 1 tbsp black sesame seeds
• 1 tbsp white sesame seeds