What part of a beet would you eat root stem or leaf?

You would primarily eat the root of the beet, which is the bulbous part that is commonly used in salads, soups, and various dishes. The leaves, often referred to as beet greens, are also edible and can be cooked or used fresh in salads. The stem is usually less commonly eaten but can be cooked similarly to the leaves. Overall, both the root and leaves are nutritious and versatile in cooking.