Cheesy Onion Bake

Directions

1. 1
   Place Vidalia slices in lightly greased 2 quart casserole dish and set aside.
2. 2
   Melt butter in a heavy saucepan over low heat. Add flour, stirring well until smooth. Cook for 1 minute while stirring.
3. 3
   Gradually add milk.
4. 4
   Cook over medium heat while stirring until it thickens and becomes bubbly.
5. 5
   Add cheese and salt, stirring until the cheese melts and sauce is smooth.
6. 6
   Pour over Vidalias and bake uncovered at 350° for 1 hour.