Rinse rice thoroughly until the water runs clear. Add to sauce pan and cover with water using the "two finger" rule: 2 fingers of water deep over the rice. Add mirin and cook on low heat covered for about 20 minutes. Or use rice cooker.

Mix all teriyaki sauce ingredients but the cornstarch in s small saucepan

Simmer over low-med heat meanwhile wisk cornstarch and 2 tablespoons of water together.

Add cornstarch to sauce and simmer reducing the sauce till thickened.

Cut the sheets of nori length wise into 3rds. If you like less nori cut into 1/4s.

Knock spam out from the can and cut into even 6ths. If you want less spam cut into 8ths. Save the can.

Heat large skillet on med-high heat, add spam and sear each side. Add the teriyaki sauce to pan and saute spam for 5 min. to carmelize saving about 1/4 c. of sauce.

Place a small bowl of water beside the rice along with a muddler or small utensil to press rice. Spoon small amount of rice into bottom of the spam can and press gently.

Knock out the pressed rice from the can. Place the spam on top, a drizzle of teriyaki sauce, sprinkle sliced green onion, sesame seeds and seasoning. Repeat first step and top with another thin layer of rice. If you want less rice try only 1 layer.

OPTIONAL: Try these yummy variations- 1. Cook a thin layer of scrambled egg and cut with the can of spam to put inside for a breakfast version! 2. Cut sliced avacado to shape for a layer of avacado like in sushi!