Slow Cooker

1. Spray the slow cooker with cooking spray. Add the salmon to the slow cooker.
2. Season the salmon with salt, pepper, and the Italian seasonings. Add the onion, garlic, bell pepper, garlic, and tomatoes on top of the salmon.
3. Cook HIGH 1-2 hours or  LOW 2-4.

Instant Pot 

1. Turn on pressure cooker to sauté. Once hot, add the oil, onion, bell pepper, and cook 3-5 minutes or until soft. Add garlic and cook an additional minute. Turn off the Instant Pot.
2. Stir in the tomatoes, Italian seasoning, salt, and pepper.
3. Season fish with salt & pepper. Add the salmon to the pressure cooker on top of the tomato mixture.
4. Close lid and seal vent. Select high pressure for 3 minutes. When cooking time is complete, manually quick-release the pressure.