THE PERFECT PLACE TO BUY HERBS AND SPICES ONLINE!! The Worldwide Mint Offers and extensive collections of Herbs and Spices from the finest source, enabling you to capture the genuine flavour of world cuisine in your KITCHEN! POTATO STARCH What is Potato Starch ? Potato starch is a versatile ingredient made by crushing potatoes to extract the starch. When youre using potato starch, youre using the dried and ground potatoes in the form of a fine powder. Potato starch is featured in a variety of recipes as a thickener, gluten-free flour substitute, and coating for fried foods.