1. Mix (A) and set aside the half of the mixture and mix the remaining half with water.
2. Marinate the pork with the prepared teriyaki and the water mixture for 3 hours.
3. After marinating, grill the pork and brush with the marinade.
4. In a small saucepan, mix the reserved teriyaki and maple syrup mixture with the cornstarch. Simmer until thick.
5. Place and garnish with the green onions.