[Greek] How to cook Baked pasta (pastitsio)

Ingredients
- 2 tbsp olive oil
- 1 onion, finely chopped
- 1 carrot, finely chopped
- 2 garlic cloves, finely chopped
- 2 tbsp tomato paste
- 1 kg minced beef
- 1½ tsp ground allspice
- ½ tsp dried mint
- 400 ml passata (puréed tomatoes)
- 500 g ziti pasta (see Note) or penne
- 40 g butter
- 4 egg whites
- 25 g (½ cup) grated kefalograviera (see Note), plus extra, to sprinkle
Béchamel sauce
- 100 g butter
- 100 g (â…” cups) plain flour
- 1 L milk, heated
- 4 egg yolks
- â…› tsp ground nutmeg
- 35 g (¾ cup) grated kefalograviera (see Note)
Directions