Preheat oven to 425°F.

Start by preparing the beets. Trim the root and tip end of each beet, peel, then cut into wedges.

In a large bowl, combine beets, red onion and whole poblanos. In a smaller bowl, add olive oil, Worcestershire sauce, kosher salt and several turns of black pepper, whisking to combine. Drizzle the liquids over the beets, red onion and poblanos, tossing to evenly coat.

Spread vegetables out on a rimmed baking sheet then transfer to the oven. Roast until the poblanos and soft and blistered, stirring every 10 minutes (should take about 25 - 30 minutes). Remove the poblanos from the oven but continue to roast the beets and onions. Place the peppers in a small bowl and cover with plastic wrap. Continue cooking the beets and onions until the beets are tender (10 - 20 minutes longer). Set aside to cool.

Once the poblanos are cool enough to handle, peel off the skin, remove the stem and gently scrap out all seeds. Give the poblanos a rough chop.

Combine beets, onion and poblanos in a serving bowl. Add lime juice and cilantro, tossing to combine. Season with additional kosher salt and ground black pepper if needed.