Onion Soup - cooking recipe

Ingredients

4 to 6 onions, sliced thin
2 Tbsp. butter
5 c. bouillon
6 Tbsp. grated Parmesan cheese
1 slice toast (per person)

Preparation

Heat butter; add onions.
Cook until soft.
Add bouillon and simmer 30 minutes.
Salt and pepper to taste.
Put toast in bowl. Pour soup over toast and top with Parmesan cheese.