Stage One (3.5 Hour Cook Time)In a small bowl, whisk together the 2 cups of water, old bay seasoning, lemon juice, Tabasco and set aside.
In the slow cooker pot, add the cut red potatoes, red onion wedges, garlic, fresh thyme and the old bay and water mixture. Stir and cook on high for 3.5 hours or until the potatoes are tender.
Stage Two (One Hour Cook Time)When the potatoes are tender add the cut corn, andouille sausage and butter can cook on high for another hour or until corn is tender.
Stage Three (30 more Minutes Cook Time):Remove the corn from the slow cooker and set aside. Add the shrimp and cook for another 30 minutes on high or until the shrimp are pink and cooked through. Add the corn back into the slow cooker and mix everything together.
Garnish with fresh chopped parsley and serve right from the slow cooker or on a newspaper lined platter.