Stir them into the crisp bacon and cook, stirring a couple of times, while you scrape then finely chop the carrot, celery and mushroom.

Chop the carrot into small chunks and add to the frying pan.

Scrape and finely chop the carrot and celery.

Cover and cook for 5 minutes while you chop the carrot into small dice.

Scrape and chop the carrot into 5cm chunks.