Wash peeled and deveined shrimp in water and white vinegar (optional). Pat dry , drizzle with 1 tsp olive oil onto shrimp, using your hand make sure each shrimp is well coated with the olive oil, season with ½ tsp of onion powder, garlic powder, lemon pepper seasoning, salt, black pepper, smoked paprika, ½ tsp turmeric powder, and 2 tsp curry powder, using your hand season well. Set aside.
Heat remaining 1 tbsp olive oil , add remaining turmeric powder and curry powder, cook for 1 minute stirring nonstop, add sliced onions, bell peppers, sauté for 2 minutes, add minced garlic and ginger, stir well to combine, and cook for 2 minutes. Add the potatoes and carrots and stir well to combine, add the coconut milk and water or seafood broth, green onions, bay leaves, fresh thyme , all spice berries and scotch bonnet pepper stir well to combine, cover and cook for10 minutes. Add the shrimp, butter and stir well to combine, cover and cook for 10 minutes. Add lemon juic at the end and stir well