In a small stock pot, heat oil over medium heat. Sauté sausage & onions until lightly colored, about 5 minutes. Add water, potatoes, shrimp boil spice, salt, bay leaves, hot sauce and black pepper. Cover pot and bring to a boil. Reduce heat add corn and cover. Cook until corn is tender, about 10 minutes. Add shrimp and cook until pink and firm, about 5 minutes. Strain the boil through a colander. Plate immediately on a large serving dish. Garnish with sliced green onions or your favorite fresh herb. Serve with garlic bread.