
🏷️ 分类: lunch
🌍 菜系: Mediterranean
⭐ 难度: 中等
⏱️ 用时: 45 min
🥘 食材清单
👨🍳 制作步骤
Melt butter with olive oil in a large pot over medium heat
Add onions and stir continually until translucent
Add beef broth, marsala and thyme
Simmer for 30 minutes
Add sugar and season with salt and pepper
Be careful not to over salt! Ladle soup into oven-safe bowls and place a handful of croutons in each
Sprinkle parmesan and swiss cheese and layer 2 slices of provolone on top
Place bowls on cookie sheet and broil in the preheated oven until cheese bubbles and browns