Place flour in a large bowl, add meat and toss to coat.
Set Instant Pot on Saute (medium heat setting). Add the butter. When butter sizzles, place the meat in the pot to brown on all sides.
Pour the stock in the pot and scrape up the browned bits at the bottom.
Add the vegetables, onions, herbs, salt, garlic, tomato paste, worcestershire sauce, soy sauce & brown sugar. Stir well.
Cover, seal and set on Meat/Stew, Reduce pressure naturally (takes about 15 min). For other branded pots, see the post above for guidelines.
Stir in the peas (they will cook from residual heat)
You can thicken by mixing 3 tbs cornstarch in 1/2 cup water—stir in and bring to a boil.