Ham Fluff

Directions

1. 1
   Melt butter in saucepan.
2. 2
   Blend in flour, salt, pepper, onion and mustard.
3. 3
   Stir in milk and cook, stirring constantly, until very thick.
4. 4
   Beat egg yolks until thick and lemon-colored.
5. 5
   Fold a little sauce into egg yolks and then add this to remaining sauce. Fold in ham.
6. 6
   Whip egg whites until stiff, but not dry.
7. 7
   Fold ham mixture into egg whites.
8. 8
   Place in greased 1 1/2-quart casserole dish.
9. 9
   Bake at 325° for 1 hour, until top is brown and puffy. Yields 4 servings.