A recipe you have got to try!
Turn the Instant Pot on saute mode. When hot, add the sausage and cook, stirring often until no longer pink. Remove from the pot to a large bowl. Deglaze the inner pot to remove any pieces stuck to the bottom of the inner liner.
Place the trivet in the bottom of the inner liner and add 1 ½ cups of water. Lower casserole dish onto trivet.
Carefully remove dish from inner liner using the handles of the trivet. Serve warm with salad and Italian bread. Top with grated parmesan, if desired.