Set Instant Pot to Saute setting and add ground beef. Cook until it is browned, about 6-8 minutes. Press Cancel on the Instant Pot.
Add beef broth, Worcestershire sauce, tomato paste, and all seasonings. Stir to combine and loosen any tidbits stuck to the bottom of the pot. Do not stir after this. Add macaroni in an even layer on top of beef. Press the macaroni down to be covered by liquid. Place the lid on top with the vent sealed.
Use the manual setting to cook for 4 minutes. Once it has cooked, quick release, and remove the lid. Gently stir the noodles to break up any clumps. Add cheese and half and half cream. Stir to combine and allow cheese to melt.