Select Sauté and add the olive oil to the inner pot. Once the oil is hot, add the ground beef and cook for 3 minutes, using a spatula to break up the meat.
Press Cancel and add the onion powder, garlic powder, chili powder, tomato purée, ketchup, soy sauce, and brown sugar. Stir to combine.
Lock the lid into place. Select Pressure Cook or Manual; set the pressure to High and the time to 10 minutes. Make sure the steam release knob is in the sealed position. After cooking, naturally release the pressure for 10 minutes, then quick release the remaining pressure.
Unlock and remove the lid. Stir the Sloppy Joe mixture to make sure it’s well combined.
Serve immediately garnished with purple slaw and parsley, if desired, or place the Sloppy Joes in an airtight container and refrigerate for up to 4 days or freeze for up to 2 months