PREPARATION

1. Clean and wash the spinach then boil them in a pot with boiling water for 6 minutes; drain them well and keep aside.

2. Rid tomatoes from seeds and outer skin then chop coarsely.

3. In a pan put to heat the oil, add the tomatoes and cook for about 5 minutes, stirring often then season with salt and pepper and sprinkle with a pinch of oregano.

4. Grease with margarine a baking dish then create a layer of spinach, season with salt and pepper and overlay a layer of tomatoes.

5. Finally settle above the anchovies split in half lengthwise, sprinkle with grated cheese and finish with a few flakes of butter.

6. Place the pan on the middle shelf of the preheated oven and let gratin at 240 ° C for about 8 minutes.

7. Serve hot directly into the cooking pot.