Rosemary is a fragrant and flavorful herb with a pine-like scent. This Mediterranean favorite adds a unique flavor to all kinds of recipes, mainly fish and chicken dishes. But it's also excellent in soups and stews. More so, you can use rosemary leaves and other substitutes for Rosemary, fresh or dried. As with most herbs, it's better to use fresh when possible. While you can find dried Rosemary and substitute for Rosemary year-round at grocery stores, availability varies by season. However, Rosemary is considered one of the holy trinity of herbs alongside sage and thyme because you can use these three interchangeably in most recipes.