Select Sauté on the instant pot and add the oil. Once the oil is hot, add ground beef, onion, and garlic. Cook for 10 minutes until ground beef starts to brown and the onion is softened. Make sure to scrape up any browned bits off the bottom of the pot to avoid a burn notice
Cancel Sauté mode and add the rest of ingredients except for the cornstarch, water and peas. Stir until combined. Close the lid and set the valve to Sealing
Select ‘High Pressure’ for 8 minutes. (It will take about 20 minutes for the pressure to rise and start cooking. Tip: Microwave your broth to speed up the cook time.)
Once the stew has cooked, do a quick release on the vent.
Select Sauté mode and bring to boil. While the stew boils, in a small bowl, mix the cornstarch with water and add to the stew. Once the stew is boiling, cancel sauté mode.
Add the peas and stir until combined.
Stovetop Instructions
In a large pot over medium-high heat, add olive oil. Once the oil is hot, add ground beef, onion, and garlic. Cook for 10 minutes until ground beef starts to brown and the onion is softened.
Add the rest of the ingredients to the pot except for the cornstarch, water and peas. Stir until combined. Bring to a boil.
Reduce the heat and simmer for 30 minutes.
Once cooked, in a small bowl, mix the cornstarch with water and add to the stew.
Bring to boil; once the stew is boiling, reduce heat and simmer for 5 to 8 minutes.
Add the peas and stir until combined.
Crockpot Instructions
In a large pot over medium-high heat, add olive oil. Once the oil is hot, add ground beef, onion, and garlic. Cook for 10 minutes until ground beef starts to brown and the onion is softened.
Add the beef/vegetable mixture to the crockpot base along with the rest of ingredients to the pot except for the cornstarch, water and peas. Stir until combined
Cook on low for 6-8 hours or high for 4-6 hours.
Optional for thickening: The last hour the stew is cooking, mix cornstarch with water and add to the stew.
Turn the crockpot to high.
Before serving, add the peas and stir until combined.