What is a "crab apple"?

Crab apple refers to a variety of small, tart apples that are commonly used in culinary applications. These apples are often too sour to be enjoyed as eating apples, but they are prized for their unique flavor when cooked or processed. Crab apples can be used to make preserves, jellies, sauces, and even cider. They add a delightful tanginess and natural pectin to recipes, making them versatile ingredients in both sweet and savory dishes. Despite their small size, crab apples pack a punch of flavor, making them a favorite among adventurous cooks and bakers.