Patina Cotidiana (Everyday Dish) is a traditional Ancient Roman recipe for a classic dish of cooked calf brains (or tinned corned beef) that's seasoned and finished in a custard flavoured with fish sauce and caroenum. The full recipe is presented here and I hope you enjoy this classic Ancient Roman version of: Everyday Dish (Patina Cotidiana).
Season the chopped brains (or corned beef) with the pepper, cumin and ginger then place in a pan and mix with the liquamen, caroenum, milk and egg yolks.
Beat thoroughly to combine then bring to a boil, reduce to a simmer and continue cooking, stirring constantly, until the dish has thickened.