Cut the pineapple in half lengthways, cut out the core and discard. toss the strips with about half the garlic and ginger, the soy sauce, sugar, 1 teaspoon of the cornflour, 1 teaspoon of the salt, and the add the potatoes, 4 cups water and 1/2 teaspoo . prep time. 15 mins. cook time. 30 mins. serves. 6. our latest recipes. ricotta.