To cook whole beets, roast them in a sealed foil packet, simmer them in water, or steam them over boiling water. Choose the method that fits your kitchen, then check the center for tenderness. Beet size matters: a time estimate is a starting point, so check the beets individually rather than assuming the whole batch is ready.
Prepare whole beets before cooking
Scrub the roots gently under running water with a clean vegetable brush. Leave the skin on and about an inch of stem attached. For boiling or steaming, keep the root intact. The University of Alaska Fairbanks Extension guide explains that cooking time varies with the beets’ age and diameter.
Roast medium whole beets in foil
Heat the oven to 400°F. For this method, trim the stem and root ends to about an inch. Place the washed beets on foil, drizzle with oil, seal the packet, and set it on a baking sheet. Allow approximately 45–60 minutes for medium beets, checking whether a dull knife can reach the center easily. Open the foil carefully when checking.
This timing follows Oregon State University Extension’s foil method; it does not describe diced beets spread on an open tray. Salt and pepper can be added when serving.
Boil whole beets
Place the prepared whole beets in a pot of boiling water, cover, and reduce the heat to a simmer. Allow roughly 30–45 minutes, then check the center with a skewer. Continue cooking if it does not slide in easily. This is the whole-beet method described by the Alaska Extension guide above.
Steam whole beets
Set the whole beets in a steamer basket above boiling water. Cover the pot. Cook until a skewer reaches the center easily, allowing approximately 30–45 minutes as a guide. Check tenderness rather than relying only on the timer.
Peel and serve
Once the beets are cool enough to handle, remove the skin while they are still warm. A paper towel or gloves can help protect your hands from staining. Slice or cube them for salads, add slices to sandwiches, or serve warm as a side.
Store raw and cooked beets separately
Raw roots: Alaska Extension advises keeping washed beets in plastic in the refrigerator for up to two weeks.
Cooked beets: Divide leftovers into small portions in shallow containers and refrigerate promptly, within two hours—or one hour above 90°F. Keep the refrigerator at 40°F or below. Follow FoodSafety.gov’s cooked-food guidance: use refrigerated leftovers within 3–4 days, or freeze them if you will not eat them soon. Do not wait for a large batch to become completely cold on the counter.