Heat the oil in a frying pan. Brown the meat in batches for approx. 3 mins. per batch, remove from the pan, season. Wipe the cooking fat from the pan and add a little oil if necessary.
Sauté the vegetables in the pan for approx. 3 mins., add the bay leaf, pour in the stock, bring to the boil. Reduce the heat, return the meat to the pan, simmer the minestrone (uncovered) for approx. 20 mins.
Whisk together the lemon juice and oil, add the herbs, season with salt. Plate up the minestrone, drizzle with the herb oil.