Onion Soup - cooking recipe

Ingredients

2 Tbsp. unsalted margarine
2 c. thinly sliced onion (2 medium)
1 Tbsp. all-purpose flour
4 c. low-sodium beef broth
1/8 tsp. ground black pepper
4 Tbsp. freshly grated Parmesan cheese

Preparation

In a large saucepan over low heat, melt margarine.
Add onion and cook, stirring frequently, 15 minutes.
Add flour and cook, stirring constantly, 1 minute.
Add broth and pepper; bring to a boil.