Hit sauté on the Instant Pot, and add the oil of your choice. When hot, add the onions and cook for five minutes, stirring occasionally. You want them to brown. Add the garlic and sauté for one or two minutes, and then deglaze the pan with a cup of the broth. Add the rest of the broth, and the apples. Lock on the lid, set toggle to sealing and pressure cook on high for 18 minutes.