Onion Soup with White Wine: A Classic Comfort Food - My French Recipe

Ingredients

• 1 tbsp unsalted butter
• 1/2 onion (about 200 g), peeled and diced
• 1 tbsp flour
• 1 + 1/3 cups vegetable broth (or use 1/2 bouillon cube dissolved in 2 cups (1/2 L) hot water)
• 1/3 cup white wine (a dry variety like Sauvignon Blanc works best)
• 2 slices of country bread or 4 thin slices of baguette
• 1/2 cup (50 g) shredded Swiss cheese
• Salt and pepper to taste