French onion soup with parmesan croutons

Grab a few ingredients, then see out the winter with this fast and fragrant French onion soup.

Recipe «French onion soup with parmesan croutons» presented in category Recipes / Soups, to prepare this dish you will need no more 30 minutes. To make this dish at home by prescription from the author sheff would need: 1.5L beef stock, 125ml olive oil, 50g butter, 600g brown onions, thinly sliced, 600g red onions, thinly sliced , 2 cloves garlic, crushed, 2 tbsp plain flour, 2 tbsp white wine vinegar , 12 x 1cm-thick slices baguette, 25g finely grated parmesan.

Ingredients:

• 1.5L beef stock 
• 125ml olive oil 
• 50g butter 
• 600g brown onions, thinly sliced 
• 600g red onions, thinly sliced 
• 2 cloves garlic, crushed 
• 2 tbsp plain flour 
• 2 tbsp white wine vinegar 
• 12 x 1cm-thick slices baguette 
• 25g finely grated parmesan 

Instructions

1. Place stock in a saucepan over medium–high heat and bring to the boil. Cover and keep warm until needed.
2. Meanwhile, heat 2 tablespoons oil and butter in a large saucepan over high heat. Add all onions and garlic, and cook, stirring frequently, for 15 minutes or until browned. Stir in flour and vinegar, and cook for a further 5 minutes. Gradually stir in hot stock. Bring to the boil, then reduce heat to medium and simmer for 5 minutes or until thickened slightly.
3. To make croûtons, preheat grill to high. Place baguette in a large bowl and drizzle with remaining 80ml (1/3 cup) oil. Season with salt and pepper, and toss well to combine. Place on an oven tray and scatter over parmesan. Grill for 5 minutes or until parmesan is golden.
4. Divide soup among bowls and top with croûtons to serve.