Sausage & stuffing toad-in-the-hole with onion gravy
■ Serves 4 ■ Prep 25 mins plus resting ■ Cook 1 hr 10 mins
140g plain flour
1 tsp English mustard powder
3 large eggs
300ml milk
4 tbsp sunflower oil
2 large onions, sliced
85g pack stuffing mix small handful of sage leaves, chopped
8 sausages