Baked Shells And Cheese

Directions

1. 1
   Melt butter in saucepan.
2. 2
   Add flour, bouillon cubes and mustard, stirring until thick.
3. 3
   Gradually add milk, stirring until sauce begins to boil.
4. 4
   Turn off stove and gradually add cheese slices.
5. 5
   Meanwhile, cook as directed Prince spaghetti shells. Combine shells and sauce in buttered casserole dish.
6. 6
   Melt butter in bowl and mix with bread crumbs.
7. 7
   Spread over shells and cheese casserole.
8. 8
   Bake, uncovered, at 350° for 20 to 30 minutes.