French Onion Soup - cooking recipe

Ingredients

1 qt. beef bouillon
3 c. thinly sliced yellow onions
1/4 c. butter
1 1/2 tsp. salt
2 Tbsp. flour
1/4 c. dry vermouth
1 c. grated Parmesan cheese

Preparation

Pour bouillon in crock-pot; cover, set on high.
Cook onions slowly in large skillet in butter; cover and let cook about 15 minutes.
Uncover and add salt and flour.
Stir well.
Add to bouillon in crock-pot.
Add vermouth.
Cover and cook on low 6 to 8 hours (High for 3 hours).
Serve with grated Parmesan cheese on top.