Cheese Soup - cooking recipe

Ingredients

2 Tbsp. chopped onion
4 Tbsp. butter
4 Tbsp. flour
1/4 tsp. salt
1/4 tsp. dry mustard
2 c. milk
2 c. chicken broth or bouillon
2 c. grated cheese

Preparation

Brown onion in butter.
Blend in flour and seasoning. Gradually stir in milk and broth.
Bring to a boil and boil 1 minute, stirring constantly.
Add cheese.
Cook slowly, stirring constantly until cheese melts.