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Select the saute setting on your instant pot. Heat 2 teaspoons of olive oil. Salt and pepper your beef. Brown the meat in batches, adding more oil if you need it. Transfer the meat to a bowl as it's browned.
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Then, add the wine to the instant pot and stir to get the brown bits off the bottom. Return the beef to the instant pot, and add the mushrooms, onion, broth, and Worcestershire sauce.
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Place the lid on the instant pot, and ensure it is locked. Make sure your vent is closed. Select the manual setting, adjust the pressure to high, and set it for 15 minutes.
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When it's finished, quick release the pressure.
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Select saute setting again, and bring your liquid to a boil. In a small bowl, mix your cornstarch and tablespoons of water. and mix until it's smooth. Add this into the beef mixture and stir until it's thickened about 1-2 minutes.