Ingredients Sausages 1 tbsp olive oil 8 sausages (see note 1) Onion Gravy 2 large onions , finely sliced 1 tsp freshly minced garlic 2 tbsp unsalted butter 3 tbsp plain (all-purpose) flour 2 cups (500 ml) beef stock 1 thyme sprig , leaves picked (optional) 1 tsp Worcestershire sauce (se…