Turn on your Instant Pot to the saute setting.
When the display says HOT, add in the butter, minced onions, salt & garlic & rice.
Saute and stir for about 1 minute.
Add the broth and stir for 2 minutes.
Cover the pot and secure the lid. Make sure the valve is set to sealing.
Set the manual/pressure cook button to 10 minutes (high pressure).
While the rice is cooking, place broccoli in a small saucepan & fill half full with water.
Bring to a simmer over med-low heat. Strain & set aside.
Once the rice is done cooking, natural release for 10 minutes and then quick release. Remove the lid.
Stir in the cooked broccoli & the cheese.
Add salt and pepper to taste.