French Onion Soup - cooking recipe

Ingredients

1/4 c. butter or margarine
2 c. thinly sliced onion
4 c. brown beef stock
1 tsp. salt
1/8 tsp. pepper
1 Tbsp. parsley flakes
2 tsp. Worcestershire sauce
grated Parmesan cheese

Preparation

Melt butter in a 3-quart saucepan over medium-low heat.
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