1/4 cup regular or reduced-sodium soy sauce or tamari
1/4 cup granulated white sugar
1/4 cup unseasoned rice vinegar
1 tbsp peeled and minced fresh ginger
2 tsp peeled and minced garlic
1/4 tsp red pepper flakes
1 1/2 lbs frozen peeled and deveined raw medium shrimp
1 lb frozen unseasoned stir-fry vegetable blend
2 tablespoons cornstarch
Instructions
Stir the drained pineapple chunks (but not the juice), the broth, soy sauce or tamari, sugar, vinegar, ginger, garlic, and red pepper flakes in a 6‑quart Instant Pot. Add the frozen shrimp and vegetables to the pot and stir well. Lock the lid onto the pot.
Option 1Max Pressure Cooker Press Pressure cook on Max pressure for 0 minutes with the Keep Warm setting off.
Option 2All Pressure Cookers Press Pressure Cook or Manual on High pressure for 0 minutes with the Keep Warm setting off. The valve must be closed.
Use the quick-release method to bring the pot’s pressure back to normal. Unlatch the lid and open the cooker.
Press the button for SAUTÉ. Set it for MEDIUM, NORMAL, or CUSTOM 300°F and set the time for 5 minutes.
5. As the sauce comes to a simmer, whisk the reserved 1/4 cup pineapple juice and the cornstarch in a small bowl until smooth. Stir this mixture into the simmering sauce. Cook, stirring almost constantly, until thickened, less than 1 minute. Turn off the SAUTÉ function and remove the (hot!) insert from the pot to prevent the shrimp from overcooking. Pour the shrimp and all their sauce into a serving bowl.