Set Instant Pot on “Saute” mode and add the ground beef and onion to the pot. Brown and crumble the beef until cooked through and cancel “Saute” mode.
Drain off any excess fat from the meat and stir in the green chiles, salt, brown sugar, chili powder, mustard, vinegar, ketchup, Worcestershire sauce, tomato sauce and water. Stir to combine.
Lock Instant Pot lid in place and make sure the venting valve is sealed.
Set Instant Pot to cook on high pressure for 3 minutes.
When the cooking time is up, allow the pressure to release naturally for 5 minutes, then carefully turn the venting valve to release the remaining pressure. When the pressure pin drops, remove the lid.
Serve on hamburger buns with desired toppings.
Drain Fat: Thoroughly drain any excess fat from the beef before adding any other ingredients into the Instant Pot. This will keep your sloppy joe sauce grease-free.
Simmer: If the sauce is too thin after cooking, set the Instant Pot on “Saute” mode and simmer until the sauce reaches the desired consistency.
Toast: Toast the hamburger buns before adding the filling and toppings. This will prevent the bread from becoming too soggy.
Not a fan of ground beef?: Make this recipe with ground turkey or chicken for a lighter option.