- 1 First, You need to make your roux. 
- You want equal parts of oil and flour. 
- Turn your Instant Pot on Sauté and add 1/2 a cup of oil. Once heated, mix in your 1/2 cup of flour. 
- You need to stir it often until it starts reminding you of peanut butter… 
- Add in your powdered seasoning, slowing mixing in. 
- Then add in your Trinity (Onions, Peppers, and Celery) – sauté in the instant pot for a few minutes until soft. 
- Slow add in about 1/2 your broth – mixing in the roux. 
- Add in your raw chicken. (You can use fresh or frozen chicken in the Instant Pot!) 
- Add in the rest of your broth. 
- Use the “Soup” function. 
- For Fresh Chicken: set to cook for 20 minutes. For Frozen Chicken: set to cook for 30 minutes. 
- Let it naturally release for 12 minutes, then manually release the rest of the way. 
- Pull out cooked chicken and shred it, then add it back to your soup. 
- (optional: After it is cooked, if you like a thicker gumbo, you can mix 2 tablespoons of arrowroot or cornstarch in a little bit of water and mix in your soup)