In a large pot, heat the oil over medium heat. Add the onion and garlic and cook until softened, about 5 minutes.
Add the sweet potato and cook for another 5 minutes, stirring occasionally.
Add the vegetable broth, thyme, smoked paprika, salt, and pepper. Bring to a boil, reduce heat to low, and simmer for 15 minutes, stirring occasionally.
Stir in the cream and cook for 5 minutes, stirring occasionally.
Add the shrimp and crabmeat and cook for 5 minutes, stirring occasionally.
Stir in the parsley and cook for another 5 minutes, stirring occasionally.
Serve hot.
Interesting Facts
This chowder is a great source of protein, thanks to the shrimp and crabmeat.
Sweet potatoes are a good source of fiber and vitamins A and C.
Smoked paprika adds a subtle smokiness to the chowder.