Prepare the beets: Cut off the greens and stems. Don’t waste them. You can use them in another recipe.
Pack the beets in foil: Wrap each with aluminum foil. If they are very small, you can pack 2-4 of them together.
Bake: Put them in a baking pan. Roast for 50-60 minutes. The cooking time might be less if your beets are really small. Check if they are done after 30 minutes. If you can easily insert a knife into a beet, it is done.
Peel: Let them cool for 10 min after they are baked. They shouldn’t be completely cool. Put on your gloves and peel them with your hands. Alternatively, you can use a knife but make sure to have your gloves.
Use in Recipes or Store: Slice the roasted peeled beets and use in recipes. Or store them whole in an airtight container in the refrigerator for a week.
NOTES
Don't roast whole beets without foil. It takes very long to cook them.
If you don't have any foil left, then the best option is to chop the beets and then roast them. Just place the beet slices on a baking sheet in a single layer. Drizzle them with oil and roast for 30-40 minutes.
Always check the doneness of beets before removing them completely from the oven. If they are not soft enough when you insert a fork inside them, cook for another 10 - 15 minutes.
Make sure to wear gloves when peeling and chopping beets not to have the pink stain on your hands.