Toss the shrimp with 1/2 teaspoon of sea salt in a small bowl.
Heat one tablespoon of coconut oil in a large skillet over medium high heat. Add the shrimp to the skillet in a single layer and cook for 1-2 minutes per side until they are just cooked through. Transfer the shrimp to a plate and cover to keep warm.
Heat the remaining tablespoon of coconut oil in the skillet over medium high heat. Add the onion and parsnip and cook until tender, about 3-4 minutes
Add the mushrooms the skillet and cook until tender, about 3-4 minutes
Stir in the garlic and cook until fragrant, about 30 seconds.
Add the cabbage to the skillet along with 1/2 teaspoon of sea salt. Cook, tossing occasionally, until the cabbage is tender and wilted, about 5 minutes.
Pour the coconut aminos and rice vinegar into the skillet, and sprinkle in the Chinese Five Spice powder. Add the shrimp back to the skillet, toss well, and cook for another 2-3 minutes.
Stir in the lime juice and garnish with green onions before serving.