Toad in the Hole

Name: Toad in the Hole
Prep time: 10 min
Cook time: 50 min
Total time: 1 h
Cuisine: Northern Europe
Ingredients: 4 good quality sausages; Splash of vegetable oil; 2 medium eggs; 65 g plain flour; 100 ml milk; 1 tsp fresh sage, chopped; Salt and pepper; Salt and pepper; 25 g butter; 1 tbsp olive oil; 1 bay leaf; 2 sprigs of thyme; 4 onions, sliced; 1 tsp sugar; 1 tbsp flour; 200 ml red wine; 2 tsp red wine vinegar; 500 ml beef or vegetable stock; 500 ml beef or vegetable stock