1 cup of heavy whipping cream (can sub 1 can of evaporated milk(12 ounce), half and half, or even whole milk)
2 cups of shredded medium or sharp cheddar cheese
Place the macaroni, water, salt and butter into the Instant Pot. Set Instant Pot on 4 minutes high pressure and do a quick release of the pressure as soon as it's done. Take lid off and immediately add whipping cream and stir. Then slowly add cheese and stir until it melts. You can add a little hot sauce and dry mustard for flavor if desired.