How to Make Creamy Onion Soup
- In a 3 quart saucepan over medium heat, saute onions in butter.
- Add broth, pepper, thyme and salt if desired; bring to a boil.
- Reduce heat; cover and simmer for 20 minutes.
- Add 1 2/3 cups milk.
- Stir flour into remaining milk until smooth; add to soup.
- Bring to a boil; boil and stir for 2 minutes.