Instant Pot Instructions:

1. Turn Instant Pot to saute setting. When display says HOT add in the olive oil. Pat the beef dry with a paper towel. Add the beef into the pot and brown for 4 minutes on each side. Lightly salt and pepper the meat. 
2. Pour in the water and scrape bottom of pot so that nothing is sticking. Turn off Instant Pot.
3. Sprinkle in the Au Jus and ranch dressing mix.
4. Cover Instant Pot and secure the lid. Make sure valve is set to sealing. Set the SOUP button to 10 minutes. Quick release the pressure. Add in the noodles and banana peppers. Replace the lid and set valve to sealing. Set the SOUP button to 10 more minutes. When time is up let pot sit for 10 minutes and then move valve to venting. Remove the lid.
5. Ladle into bowls and serve. 

Slow Cooker Instructions:

1. Add beef into slow cooker. Lightly salt and pepper the beef.  Add in the water, Au Jus and ranch dressing mix. 
2. Cover and cook on low for 5 hours. 
3. Add in the noodles and banana peppers. Replace the lid cook on low for 1 more hour.
4. Ladle into bowls and serve.