Spinach Croquettes

Spinach Croquettes
Spinach is a wonderful source of vitamin E and B-complex vitamins, its preparation is quick and easy, its versatility at the time of preparation is broad, economic and low in calories. For these reasons recipes with spinach are always delicious and nutritious, and its presentation can be a creative experience.
Ingredients
1 Kg. Of spinach
3 eggs
2 tbsp wheat flour
90 gr. of butter
frying oil
¼ lt of milk cream
salt and pepper to taste
4 slices of square bread