# What You'll Need:
→ Rice
01 - 2 cups cooked sushi rice, warm
02 - 2 tbsp rice vinegar
03 - 1 tbsp sugar
04 - 1/2 tsp salt
→ Tuna Filling
05 - 2 cans (5 oz each) tuna in water, drained
06 - 1/4 cup mayonnaise (preferably Japanese Kewpie)
07 - 1 tbsp sriracha (optional)
08 - 1 tsp soy sauce
09 - 1 tbsp finely chopped green onions
→ Additional
10 - 6 sheets roasted nori, halved
11 - 1/4 cup shredded mozzarella cheese
12 - 1/4 cup Japanese-style panko breadcrumbs
13 - 1 tsp sesame seeds
→ For Serving & Garnish
14 - Sliced avocado
15 - Extra sriracha or spicy mayo
16 - Sliced green onions
# Method:
01 - Preheat oven to 375°F. Lightly grease a 12-cup muffin tin.
02 - In a bowl, combine warm cooked sushi rice with rice vinegar, sugar, and salt. Mix thoroughly.
03 - Press a half sheet of roasted nori gently into the bottom and sides of each muffin cup to form a cup shape.
04 - Divide seasoned rice evenly among muffin cups, pressing lightly to pack without crushing.
05 - In a separate bowl, blend drained tuna, mayonnaise, sriracha (if using), soy sauce, and green onions until smooth and creamy.
06 - Spoon the tuna mixture evenly over the rice layer in each muffin cup.
07 - Sprinkle shredded mozzarella and panko breadcrumbs atop each tuna cup.
08 - Bake in preheated oven for 15 to 20 minutes until tops are golden and bubbling.
09 - Allow bake cups to cool in the tin for 5 minutes before gently lifting them out.
10 - Sprinkle sesame seeds and garnish with avocado slices, extra sriracha, or sliced green onions as desired. Serve warm.