Coconut milk and Gochujang Prawn curry

Name: Coconut milk and Gochujang Prawn curry
Ingredients: 250 grams fresh prawns, peeled & intestinal tract removed; 2 tablespoons grape seed or any nuetral flavored oil; 1 white or brown onion (about 150g); 100 grams baby eggplants, top green stems removed; 4 cloves garlic, crushed; 1 leek, chopped 1/2 inch length; 1 can. unsweetened coconut milk; 1/2 cup vegetable stock; 1 tablespoon gochujang - fermented Korean red chili paste; 1 teaspoon curry powder; 1 teaspoon ground black pepper; 2 teaspoons freshly squeezed lemon juice; 1 red chili, chopped 1/2 inch length; Handful fresh flat-leaf parsley and lemon zest