Add STEW ingredients to the slow cooker. Stir to mix well.
Cook HIGH 2-3 hours or LOW 4-6.
Rinse seafood. Add seafood to the slow cooker and cook and additional 15-30 minutes. Remove bay leaf before serving. Garnish with fresh parsley if using.
Turn on the Instant Pot and select sauté. Once hot add the oil, onion, celery, and bell pepper. Cook approximately 3-5 minutes or until vegetable are soft. Add garlic and cook an additional minute.
Stir in remaining STEW ingredients.
Close lid and seal valve. Set high pressure and cook for 20minutes. When cook time is done, quick release the pressure.
Open the lid and stir the food. Turn on the Instant Pot to sauté. Once bubbling, stir in the rinsed seafood. Cook a few minutes until seafood is done.
Remove bay leaf before serving. Garnish with fresh parsley if using.