Carrots or parsnips can be used as substitutes for parsley root in a recipe.
Oregano, thyme, or parsley can be used as substitutes for basil leaves in a recipe.
You can use coriander stems or cilantro leaves as a substitute for coriander root in a recipe.
Fresh parsley can be used as a substitute for dried parsley in recipes.
Pickles or gherkins can be used as a substitute for cornichons in a recipe.
Green tomatoes can be used as a substitute for tomatillos in a recipe.
Parsley can be used as a substitute for cilantro in recipes.
Parsley is used in hundreds of recipes soups, salads, it is also used as a garnish.
Gelatin can be used as a substitute for agar powder in a recipe.
Butter or margarine can be used as a substitute for shortening in a recipe.
While cilantro and parsley are different herbs, many different sources indicate that cilantro can be used as a substitute for parsley. Those same sources indicate that chervil is the best substitute; so, if you have any chervil, you might want to use that instead. The measurements appear to be the same. In other words, if your recipe calls for 1 tsp. of parsley, you would use 1 tsp. of cilantro or 1 tsp. of chervil.
Artichoke hearts can be used as a substitute for hearts of palm in a recipe.
Basil leaves can be used as a substitute for shiso leaves in a recipe.