01 -
Sauté the sliced chicken sausage in olive oil over medium heat until browned, then set aside.
02 -
Combine butter and flour in the Instant Pot, cooking and stirring until the mixture turns dark brown to form a roux.
03 -
Add chopped onions, green peppers, celery, and garlic to the roux; sauté until softened and fragrant.
04 -
Stir in water, chicken broth, chicken breasts, Cajun spices, bay leaf, salt, and pepper into the pot. Seal the Instant Pot lid securely.
05 -
Cook on high pressure for 20 minutes, then allow natural pressure release.
06 -
Stir in raw shrimp to the hot gumbo and let cook with residual heat until the shrimp turn opaque and pink.
07 -
Remove bay leaf and serve the gumbo hot over cooked white rice.