Recipe by: Gourmet Traveller Serves: 4 Time: 1hr 40mins             Ingredients 100g butter, coarsely chopped 2kg onions, thinly sliced 1 litre beef stock (4 cups) (substitute with vegetable stock for vegetarians) 4 thyme sprigs 3 parsley stalks 1 fresh bay leaf 8 1cm-thick slices of baguette cut on diagonal, lightly