The herbs that are used to prepare Italian seasoning include basil, oregano, rosemary, and thyme. Some experts also add in some garlic powder, parsley, and red chili flakes for a unique flavor.
If you decide to purchase Italian seasoning from the market, watch out for any lumps inside the packet which can indicate the presence of moisture. Also, prefer organic ingredients and remember to check the manufacturing and expiry dates as well. Italian seasoning should be stored in an airtight container. Stored well and sealed tightly, it can last for as long as 6 months. Protect Italian seasoning from sunlight and also keep it away from the stove.