step 1
Pre warm the slow cooker.
step 2
Heat the oil and fry the beef cubes until brown and transfer to the slow cooker.
step 3
Fry th onions, bacon and vegetables for 5 minutes. Stir in the flour and fry a further minute.
step 4
Pour the wine and stock into the pan with the herbs and mustard and stir thoroughly. Bring to the boil.
step 5
Transfer all the ingredients to the slow cooker.
step 6
Cover and cook on a low setting for 8 hours.
step 7
Taste and adjust seasoning.