In a large bowl, whisk together olive oil, rice vinegar, soy sauce, green onions, garlic, fish sauce, chopped onion, chili pepper, salt, peppercorn, and stevia.
Add shrimps and give it a good stir making sure to coat shrimps well in the marinade.
Transfer to a large Ziploc bag and refrigerate for at least 30 minutes (up to 2 hours).
Plug in the instant pot and pour in the stock.
Remove the shrimps from the Ziploc and place in the pot along with ¼ cup of the marinade.
Stir well and seal the lid.
Set the steam release handle to the ‘’Sealing’’ position and press the ‘’Manual’’ button.
Set the timer for 10 minutes.
When done, perform a quick release and serve immediately. Per Serving(Calories 298 | Total Fats 15.5g | Net Carbs: 5.7g | Protein: 30.4g |Fiber: 0.7g)