Best Poke Salad - How To Make Poke Salad

Ingredients

• 2 tbsp. low-sodium soy sauce
• 1 tbsp. toasted sesame oil
• 1 tbsp. sesame seeds, plus more for garnish
• Kosher salt
• 1 lb. raw sashimi-grade tuna, cut into 1/2" cubes
• 2 green onions, thinly sliced
• 1/4 c. chopped onion
• 1/4 jalapeño, finely chopped
• 1 tbsp. finely chopped seaweed, such as wakame or hijiki (optional)
• 1 avocado, sliced
• 1 mango chopped (1 cup)