Onion Soup - cooking recipe

Ingredients

4 Tbsp. butter
2 Tbsp. oil
2 lb. (7 c.) thinly sliced onions
1 tsp. salt
3 Tbsp. flour
2 qt. beef stock
1 box garlic and onion croutons (optional)
1 c. grated Swiss cheese (optional)

Preparation

In a large pot melt butter with oil.
Stir in onions and salt. Cook uncovered over low
heat 20 minutes or until brown. Sprinkle onions with flour. Stir
and
cook
3 minutes.
Remove from heat. In separate pan,
bring beef stock to simmer.
Pour hot stock into onions.
Return
soup
to
low
heat and simmer, partially covered for 40 minutes.
Skim
off
fat.
To
serve, place croutons in individual soup bowls.
Ladle soup over them. Sprinkle with grated Swiss cheese.
Serve immediately.