Peel and chop the onion and garlic and fry in 1 tbsp. hot butter until translucent. Add spinach and 6 tablespoons of water, cover and steam for about 8 minutes. Bring ½ l water to the boil.
Preheat oven: electric cooker: 225 °C/circulating air: 200 °C/gas: stage 4. Remove the boiling water from the cooker, let it cool down for about 1 minute. Stir in first the puree flakes and then 1 tbsp. butter.
Drain the spinach well in a sieve. Pour the puree into a greased casserole dish. Season spinach with salt, pepper and nutmeg and spread on the puree. Drizzle with cream.
Press two depressions into the spinach, carefully pour 1 egg into each. Sprinkle the casserole with parmesan and bake in a hot oven for about 12 minutes.