Trim & scrub beets leaving root & 1" stem intact. Place on a sheet of foil, drizzle with 1/2 TB olive oil & wrap loosely but tightly(seal edges). Place on a baking sheet. Bake for 1 hour & let cool enough to handle.
Remove stems & roots, peel & slice beets. Place in bowl.
Combine glaze ingredients in a small saucepan. Bring to a boil for 1 minute. Pour over beets.