Vegetarian Twice Baked Potatoes This recipe for easy vegetarian twice baked potatoes with leeks and cheese is the perfect vegetarian lunch.Potatoes are a good source of B vitamins and vitamin C, both of which are essential for healthy skin. Vegetarian Twice Baked Potatoes Ingredients 2 large baking potatoes 1 medium leek 1 tbsp pumpkin seeds 80g vegetarian