Turn Instant Pot to saute and add olive oil and ground beef. (can add 1/2 diced onion as well if desired)
Brown meat until no longer pink. Turn off IP.
Pour in your can of red beans (undrained), diced tomatoes, sprinkle in packet of chili seasoning, tomato sauce and stir together. Pour in your broth, then sprinkle noodles on top but do NOT stir!! Just gently push down to submerge noodles into the liquid but keep on top. (if you stir, you may get burn notice)
Turn IP to high pressure for 4 minutes. Close steam valve.
When done do a quick release and carefully open lid. Stir. Serve topped with cheese!!