Balsamic-glazed onions

Ingredients (6 servings): 6 (350g) brown pickling onions, unpeeled 1 tablespoon olive oil 1 tablespoon balsamic vinegar 2 tablespoons caster sugar ¼ cup Vegetable stock 5 sprigs fresh thyme leaves 2 green onions, thinly sliced   Method: Cut pickling onions in half lengthways. Remove skin. Trim ends, leaving base intact. Heat oil in a frying…