
1kg braising steak, diced
1 tbsp plain flour, seasoned with salt and white pepper
25g butter
2 tbsp sunflower oil
2 onions, thinly sliced
2 sprigs fresh thyme
2 bay leaves
330ml Belgium beer
300ml rich beef stock
1 thick slice of bread spread with mustard
For the topping:
30g melted butter
2 large potatoes