Debone the boiled lamb heads, remove the brains, peel the tongues while still warm and cut into pieces.
Pour in 1 pitcher of warm water and once boiling, pour in some of the broth you boiled the heads in, after straining it. While boiling, add the chopped pepper, a little salt to taste and ground black pepper.
After 10 min. add in the vermicelli, and in another 3-4 min. add the deboned meat and grated, peeled tomato.
Boil another 3-4 min. Before removing from the stove, pour in 1/2 cup milk and the chopped lovage.