Ahi Tuna Tostadas with Wasabi Crema - San-J

Ingredients

• 4 tbsp San-J Umami Tamari Splash
• 1 tbsp sesame oil
• 1 tsp fresh grated ginger
• 12 oz sushi grade <a href="http://san-j.com/blog/how-to-cook-ahi-tuna/" target="_blank">ahi tuna</a>, (cut into small cubes)
• 1/2 cup sour cream
• 1 tbsp lime juice
• 1 1/2 tsp wasabi paste
• 1 tbsp fresh cilantro, (chopped)
• 4 6-inch corn tortillas
• pinch of sea salt
• 2 green onions, (thinly sliced)
• 1 avocado, (thinly sliced)
• toasted sesame seeds, (for garnish)