This slow cooker Italian fish stew only uses a few ingredients. You can also make this flavorful low-carb, paleo, wholed30 fish stew in the Instant Pot.
Pour in broth and deglaze the bottom of the pressure cooker.
Stir in the diced tomatoes and seasonings.
Cook on high pressure for 7 minutes. Quick release. Add the fish and cook on sauté for 7-10 minutes.
Serve as is or serve this Italian fish stew over cauliflower rice, mashed cauliflower, spaghetti squash, over zoodles, or even in lettuce wraps to keep this low-carb, paleo, or whole30.