Spinach Casserole - cooking recipe

Ingredients

1 large can spinach
1/2 lb. Velveeta cheese
1/2 c. milk
2 eggs, separated
1 Tbsp. butter
1 hard-boiled egg (optional)

Preparation

Drain spinach; add egg yolks, 1 tablespoon butter, 1/2 cup milk and 3/4 of the cheese.
Mix together.
Beat egg whites.
Add to the mixture in a casserole dish.
Bake at 350\u00b0 until cheese is melted thoroughly.
Melt remaining cheese with a little milk; pour on top of casserole.
When done, slice boiled egg and put on top.