Instant Pot Cajun Sausage and Shrimp Pasta

olive oil

diced onion

large garlic cloves, minced

low sodium chicken broth

andouille sausage or smoked sausage, sliced into ½ inch pieces (see note)

sliced or quartered mushrooms

uncooked cavatappi or penne pasta

cajun seasoning

fire roasted tomatoes

cream cheese, softened

bell pepper, cored and thinly sliced (I used orange but green or red work too)

frozen cooked shrimp--tail off, peeled and deveined (see note)

shredded or grated parmesan cheese