Proja with spinach

It is necessary:
 
500 g corn flour
a pint of milk,
one cup of cream,
one cup of full-fat cheese,
2 eggs,
one tablespoon butter,
one pack of yeast,
500 g spinach.

Preparation:

 
Spinach clean and wash.
Spinach leaves finely cut.
Whisk the eggs, add grated cheese, cream, butter, yeast, previously submerged in a little milk, milk and flour.
Stir all together and pour into a mass of greased pan.
Bake in oven for about half an hour.
Serve with yogurt or sour cream.