1tspchili powderoptional - more or less depending on spice level desired
Turn Instant Pot to saute and add olive oil, onions, and ground beef.
Brown meat until cooked. 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 manual, pressure, high, for 4 minutes (3 if you like noodles more al dente). Close steam valve.
When done do a quick release and carefully open lid. Stir. Serve topped with cheese!!