Method
1. Place the onion into the Thermomix bowl with butter and extra virgin olive oil
2. Chop with MC fitted - approx 2 sec, speed 6
3. Scrape down sides of TM5 bowl
4. Sauté - approx 5 min, Varoma, speed 1
5. Scrape down sides of TM5 bowl
6. Meanwhile, dice the beef into quite large pieces and dust in a little bit of flour
7. Set aside
8. Add the brandy to the Thermomix bowl
9. Cook - approx 2 min, Varoma, speed 1
10. Add beef, seasoning, stock, Worcestershire sauce, bay leaf, mustard to the Thermomix bowl
11. Cook until tender - approx 8 min, Varoma, reverse gentle stir
12. Add the sliced mushrooms and push them down underneath the hot liquid
13. Cook - approx 2 min, Varoma, reverse gentle stir
14. When ready to serve, add the sour cream and diced pickles and stir through to combine
15. Serve over the mash (or puree)